Home / 1,108,613.60-1,663,357.80-434,580.20

Finding the Fourth Proportional to 1,108,613.60, 1,663,357.80 and 434,580.20

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Solution

The fourth proportional to 1,108,613.60, 1,663,357.80 and 434,580.20 is: 652,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,613.60 : 1,663,357.80 = 434,580.20 : x
  2. Step 2: Convert to fraction form
    1,108,613.60/1,663,357.80 = 434,580.20/x
  3. Step 3: Cross multiply
    1,108,613.60x = 1,663,357.80 × 434,580.20
  4. Step 4: Simplify right side
    1,108,613.60x = 722,862,365,395.56
  5. Step 5: Solve for x
    x = 722,862,365,395.56/1,108,613.60
  6. Step 6: Final answer
    x = 652,041.76

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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.