Home / 1,407,207.73-1,942,155.12-891,009.61

Finding the Fourth Proportional to 1,407,207.73, 1,942,155.12 and 891,009.61

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Solution

The fourth proportional to 1,407,207.73, 1,942,155.12 and 891,009.61 is: 1,229,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,207.73 : 1,942,155.12 = 891,009.61 : x
  2. Step 2: Convert to fraction form
    1,407,207.73/1,942,155.12 = 891,009.61/x
  3. Step 3: Cross multiply
    1,407,207.73x = 1,942,155.12 × 891,009.61
  4. Step 4: Simplify right side
    1,407,207.73x = 1,730,478,876,030.70
  5. Step 5: Solve for x
    x = 1,730,478,876,030.70/1,407,207.73
  6. Step 6: Final answer
    x = 1,229,725.25

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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.