Home / 1,349,766.40-1,862,643.72-737,921.20

Finding the Fourth Proportional to 1,349,766.40, 1,862,643.72 and 737,921.20

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Solution

The fourth proportional to 1,349,766.40, 1,862,643.72 and 737,921.20 is: 1,018,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,766.40 : 1,862,643.72 = 737,921.20 : x
  2. Step 2: Convert to fraction form
    1,349,766.40/1,862,643.72 = 737,921.20/x
  3. Step 3: Cross multiply
    1,349,766.40x = 1,862,643.72 × 737,921.20
  4. Step 4: Simplify right side
    1,349,766.40x = 1,374,484,289,034.86
  5. Step 5: Solve for x
    x = 1,374,484,289,034.86/1,349,766.40
  6. Step 6: Final answer
    x = 1,018,312.72

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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.