Home / 1,108,646.60-1,663,407.30-434,613.20

Finding the Fourth Proportional to 1,108,646.60, 1,663,407.30 and 434,613.20

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Solution

The fourth proportional to 1,108,646.60, 1,663,407.30 and 434,613.20 is: 652,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,646.60 : 1,663,407.30 = 434,613.20 : x
  2. Step 2: Convert to fraction form
    1,108,646.60/1,663,407.30 = 434,613.20/x
  3. Step 3: Cross multiply
    1,108,646.60x = 1,663,407.30 × 434,613.20
  4. Step 4: Simplify right side
    1,108,646.60x = 722,938,769,556.36
  5. Step 5: Solve for x
    x = 722,938,769,556.36/1,108,646.60
  6. Step 6: Final answer
    x = 652,091.27

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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.