Home / 1,445,864.60-2,168,796.90-914,423.60

Finding the Fourth Proportional to 1,445,864.60, 2,168,796.90 and 914,423.60

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Solution

The fourth proportional to 1,445,864.60, 2,168,796.90 and 914,423.60 is: 1,371,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,864.60 : 2,168,796.90 = 914,423.60 : x
  2. Step 2: Convert to fraction form
    1,445,864.60/2,168,796.90 = 914,423.60/x
  3. Step 3: Cross multiply
    1,445,864.60x = 2,168,796.90 × 914,423.60
  4. Step 4: Simplify right side
    1,445,864.60x = 1,983,199,068,966.84
  5. Step 5: Solve for x
    x = 1,983,199,068,966.84/1,445,864.60
  6. Step 6: Final answer
    x = 1,371,635.40

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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.