Home / 1,105,265.80-1,657,898.70-357,387.40

Finding the Fourth Proportional to 1,105,265.80, 1,657,898.70 and 357,387.40

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Solution

The fourth proportional to 1,105,265.80, 1,657,898.70 and 357,387.40 is: 536,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,265.80 : 1,657,898.70 = 357,387.40 : x
  2. Step 2: Convert to fraction form
    1,105,265.80/1,657,898.70 = 357,387.40/x
  3. Step 3: Cross multiply
    1,105,265.80x = 1,657,898.70 × 357,387.40
  4. Step 4: Simplify right side
    1,105,265.80x = 592,512,105,856.38
  5. Step 5: Solve for x
    x = 592,512,105,856.38/1,105,265.80
  6. Step 6: Final answer
    x = 536,081.10

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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.