Home / 1,038,472.40-1,556,542.20-439,331.60

Finding the Fourth Proportional to 1,038,472.40, 1,556,542.20 and 439,331.60

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Solution

The fourth proportional to 1,038,472.40, 1,556,542.20 and 439,331.60 is: 658,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,472.40 : 1,556,542.20 = 439,331.60 : x
  2. Step 2: Convert to fraction form
    1,038,472.40/1,556,542.20 = 439,331.60/x
  3. Step 3: Cross multiply
    1,038,472.40x = 1,556,542.20 × 439,331.60
  4. Step 4: Simplify right side
    1,038,472.40x = 683,838,175,193.52
  5. Step 5: Solve for x
    x = 683,838,175,193.52/1,038,472.40
  6. Step 6: Final answer
    x = 658,503.95

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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.