Home / 1,246,278.20-1,869,417.30-773,497.40

Finding the Fourth Proportional to 1,246,278.20, 1,869,417.30 and 773,497.40

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Solution

The fourth proportional to 1,246,278.20, 1,869,417.30 and 773,497.40 is: 1,160,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,278.20 : 1,869,417.30 = 773,497.40 : x
  2. Step 2: Convert to fraction form
    1,246,278.20/1,869,417.30 = 773,497.40/x
  3. Step 3: Cross multiply
    1,246,278.20x = 1,869,417.30 × 773,497.40
  4. Step 4: Simplify right side
    1,246,278.20x = 1,445,989,421,065.02
  5. Step 5: Solve for x
    x = 1,445,989,421,065.02/1,246,278.20
  6. Step 6: Final answer
    x = 1,160,246.10

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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.