Home / 1,145,254.20-1,717,443.90-346,270.20

Finding the Fourth Proportional to 1,145,254.20, 1,717,443.90 and 346,270.20

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Solution

The fourth proportional to 1,145,254.20, 1,717,443.90 and 346,270.20 is: 519,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,254.20 : 1,717,443.90 = 346,270.20 : x
  2. Step 2: Convert to fraction form
    1,145,254.20/1,717,443.90 = 346,270.20/x
  3. Step 3: Cross multiply
    1,145,254.20x = 1,717,443.90 × 346,270.20
  4. Step 4: Simplify right side
    1,145,254.20x = 594,699,642,741.78
  5. Step 5: Solve for x
    x = 594,699,642,741.78/1,145,254.20
  6. Step 6: Final answer
    x = 519,273.05

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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.