Home / 1,615,397.28-2,229,207.16-880,370.45

Finding the Fourth Proportional to 1,615,397.28, 2,229,207.16 and 880,370.45

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Solution

The fourth proportional to 1,615,397.28, 2,229,207.16 and 880,370.45 is: 1,214,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,397.28 : 2,229,207.16 = 880,370.45 : x
  2. Step 2: Convert to fraction form
    1,615,397.28/2,229,207.16 = 880,370.45/x
  3. Step 3: Cross multiply
    1,615,397.28x = 2,229,207.16 × 880,370.45
  4. Step 4: Simplify right side
    1,615,397.28x = 1,962,528,110,592.42
  5. Step 5: Solve for x
    x = 1,962,528,110,592.42/1,615,397.28
  6. Step 6: Final answer
    x = 1,214,888.83

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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.