Home / 1,557,458.40-2,149,752.24-913,018.08

Finding the Fourth Proportional to 1,557,458.40, 2,149,752.24 and 913,018.08

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Solution

The fourth proportional to 1,557,458.40, 2,149,752.24 and 913,018.08 is: 1,260,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,458.40 : 2,149,752.24 = 913,018.08 : x
  2. Step 2: Convert to fraction form
    1,557,458.40/2,149,752.24 = 913,018.08/x
  3. Step 3: Cross multiply
    1,557,458.40x = 2,149,752.24 × 913,018.08
  4. Step 4: Simplify right side
    1,557,458.40x = 1,962,762,662,640.50
  5. Step 5: Solve for x
    x = 1,962,762,662,640.50/1,557,458.40
  6. Step 6: Final answer
    x = 1,260,234.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.