Home / 1,170,075.10-1,755,112.65-540,219.10

Finding the Fourth Proportional to 1,170,075.10, 1,755,112.65 and 540,219.10

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Solution

The fourth proportional to 1,170,075.10, 1,755,112.65 and 540,219.10 is: 810,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,075.10 : 1,755,112.65 = 540,219.10 : x
  2. Step 2: Convert to fraction form
    1,170,075.10/1,755,112.65 = 540,219.10/x
  3. Step 3: Cross multiply
    1,170,075.10x = 1,755,112.65 × 540,219.10
  4. Step 4: Simplify right side
    1,170,075.10x = 948,145,376,181.62
  5. Step 5: Solve for x
    x = 948,145,376,181.62/1,170,075.10
  6. Step 6: Final answer
    x = 810,328.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.