Home / 1,064,132.80-1,594,125.60-642,155.20

Finding the Fourth Proportional to 1,064,132.80, 1,594,125.60 and 642,155.20

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Solution

The fourth proportional to 1,064,132.80, 1,594,125.60 and 642,155.20 is: 961,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,132.80 : 1,594,125.60 = 642,155.20 : x
  2. Step 2: Convert to fraction form
    1,064,132.80/1,594,125.60 = 642,155.20/x
  3. Step 3: Cross multiply
    1,064,132.80x = 1,594,125.60 × 642,155.20
  4. Step 4: Simplify right side
    1,064,132.80x = 1,023,676,043,493.12
  5. Step 5: Solve for x
    x = 1,023,676,043,493.12/1,064,132.80
  6. Step 6: Final answer
    x = 961,981.48

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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.