Home / 1,257,359.90-1,884,902.72-458,454.65

Finding the Fourth Proportional to 1,257,359.90, 1,884,902.72 and 458,454.65

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Solution

The fourth proportional to 1,257,359.90, 1,884,902.72 and 458,454.65 is: 687,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,359.90 : 1,884,902.72 = 458,454.65 : x
  2. Step 2: Convert to fraction form
    1,257,359.90/1,884,902.72 = 458,454.65/x
  3. Step 3: Cross multiply
    1,257,359.90x = 1,884,902.72 × 458,454.65
  4. Step 4: Simplify right side
    1,257,359.90x = 864,142,405,064.86
  5. Step 5: Solve for x
    x = 864,142,405,064.86/1,257,359.90
  6. Step 6: Final answer
    x = 687,267.35

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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.