Home / 1,445,862.60-2,168,793.90-914,421.60

Finding the Fourth Proportional to 1,445,862.60, 2,168,793.90 and 914,421.60

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Solution

The fourth proportional to 1,445,862.60, 2,168,793.90 and 914,421.60 is: 1,371,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,862.60 : 2,168,793.90 = 914,421.60 : x
  2. Step 2: Convert to fraction form
    1,445,862.60/2,168,793.90 = 914,421.60/x
  3. Step 3: Cross multiply
    1,445,862.60x = 2,168,793.90 × 914,421.60
  4. Step 4: Simplify right side
    1,445,862.60x = 1,983,191,988,108.24
  5. Step 5: Solve for x
    x = 1,983,191,988,108.24/1,445,862.60
  6. Step 6: Final answer
    x = 1,371,632.40

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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.