Home / 907,899.85-1,360,078.10-707,280.87

Finding the Fourth Proportional to 907,899.85, 1,360,078.10 and 707,280.87

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Solution

The fourth proportional to 907,899.85, 1,360,078.10 and 707,280.87 is: 1,059,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,899.85 : 1,360,078.10 = 707,280.87 : x
  2. Step 2: Convert to fraction form
    907,899.85/1,360,078.10 = 707,280.87/x
  3. Step 3: Cross multiply
    907,899.85x = 1,360,078.10 × 707,280.87
  4. Step 4: Simplify right side
    907,899.85x = 961,957,228,704.44
  5. Step 5: Solve for x
    x = 961,957,228,704.44/907,899.85
  6. Step 6: Final answer
    x = 1,059,541.12

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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.