Home / 1,272,615.19-1,756,476.56-807,167.72

Finding the Fourth Proportional to 1,272,615.19, 1,756,476.56 and 807,167.72

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Solution

The fourth proportional to 1,272,615.19, 1,756,476.56 and 807,167.72 is: 1,114,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,615.19 : 1,756,476.56 = 807,167.72 : x
  2. Step 2: Convert to fraction form
    1,272,615.19/1,756,476.56 = 807,167.72/x
  3. Step 3: Cross multiply
    1,272,615.19x = 1,756,476.56 × 807,167.72
  4. Step 4: Simplify right side
    1,272,615.19x = 1,417,771,186,577.75
  5. Step 5: Solve for x
    x = 1,417,771,186,577.75/1,272,615.19
  6. Step 6: Final answer
    x = 1,114,061.19

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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.