Home / 743,306.10-1,109,342.06-671,561.70

Finding the Fourth Proportional to 743,306.10, 1,109,342.06 and 671,561.70

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Solution

The fourth proportional to 743,306.10, 1,109,342.06 and 671,561.70 is: 1,002,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,306.10 : 1,109,342.06 = 671,561.70 : x
  2. Step 2: Convert to fraction form
    743,306.10/1,109,342.06 = 671,561.70/x
  3. Step 3: Cross multiply
    743,306.10x = 1,109,342.06 × 671,561.70
  4. Step 4: Simplify right side
    743,306.10x = 744,991,636,337.29
  5. Step 5: Solve for x
    x = 744,991,636,337.29/743,306.10
  6. Step 6: Final answer
    x = 1,002,267.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.