Home / 1,648,400.76-2,472,956.28-511,140

Finding the Fourth Proportional to 1,648,400.76, 2,472,956.28 and 511,140

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Solution

The fourth proportional to 1,648,400.76, 2,472,956.28 and 511,140 is: 766,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,400.76 : 2,472,956.28 = 511,140 : x
  2. Step 2: Convert to fraction form
    1,648,400.76/2,472,956.28 = 511,140/x
  3. Step 3: Cross multiply
    1,648,400.76x = 2,472,956.28 × 511,140
  4. Step 4: Simplify right side
    1,648,400.76x = 1,264,026,872,959.20
  5. Step 5: Solve for x
    x = 1,264,026,872,959.20/1,648,400.76
  6. Step 6: Final answer
    x = 766,820.12

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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.