Home / 1,170,027.10-1,755,040.65-666,142.30

Finding the Fourth Proportional to 1,170,027.10, 1,755,040.65 and 666,142.30

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Solution

The fourth proportional to 1,170,027.10, 1,755,040.65 and 666,142.30 is: 999,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,027.10 : 1,755,040.65 = 666,142.30 : x
  2. Step 2: Convert to fraction form
    1,170,027.10/1,755,040.65 = 666,142.30/x
  3. Step 3: Cross multiply
    1,170,027.10x = 1,755,040.65 × 666,142.30
  4. Step 4: Simplify right side
    1,170,027.10x = 1,169,106,815,184.50
  5. Step 5: Solve for x
    x = 1,169,106,815,184.50/1,170,027.10
  6. Step 6: Final answer
    x = 999,213.45

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Double scale
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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.