Home / 1,108,613.10-1,663,357.05-434,579.70

Finding the Fourth Proportional to 1,108,613.10, 1,663,357.05 and 434,579.70

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Solution

The fourth proportional to 1,108,613.10, 1,663,357.05 and 434,579.70 is: 652,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,613.10 : 1,663,357.05 = 434,579.70 : x
  2. Step 2: Convert to fraction form
    1,108,613.10/1,663,357.05 = 434,579.70/x
  3. Step 3: Cross multiply
    1,108,613.10x = 1,663,357.05 × 434,579.70
  4. Step 4: Simplify right side
    1,108,613.10x = 722,861,207,781.89
  5. Step 5: Solve for x
    x = 722,861,207,781.89/1,108,613.10
  6. Step 6: Final answer
    x = 652,041.01

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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.