Home / 1,240,568.76-1,860,542.10-907,531.32

Finding the Fourth Proportional to 1,240,568.76, 1,860,542.10 and 907,531.32

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Solution

The fourth proportional to 1,240,568.76, 1,860,542.10 and 907,531.32 is: 1,361,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,568.76 : 1,860,542.10 = 907,531.32 : x
  2. Step 2: Convert to fraction form
    1,240,568.76/1,860,542.10 = 907,531.32/x
  3. Step 3: Cross multiply
    1,240,568.76x = 1,860,542.10 × 907,531.32
  4. Step 4: Simplify right side
    1,240,568.76x = 1,688,500,227,928.57
  5. Step 5: Solve for x
    x = 1,688,500,227,928.57/1,240,568.76
  6. Step 6: Final answer
    x = 1,361,069.44

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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.