Home / 1,447,909.16-1,998,168.12-874,838.72

Finding the Fourth Proportional to 1,447,909.16, 1,998,168.12 and 874,838.72

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Solution

The fourth proportional to 1,447,909.16, 1,998,168.12 and 874,838.72 is: 1,207,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,909.16 : 1,998,168.12 = 874,838.72 : x
  2. Step 2: Convert to fraction form
    1,447,909.16/1,998,168.12 = 874,838.72/x
  3. Step 3: Cross multiply
    1,447,909.16x = 1,998,168.12 × 874,838.72
  4. Step 4: Simplify right side
    1,447,909.16x = 1,748,074,840,445.61
  5. Step 5: Solve for x
    x = 1,748,074,840,445.61/1,447,909.16
  6. Step 6: Final answer
    x = 1,207,309.75

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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.