Home / 1,532,071.17-2,114,177.22-878,663.49

Finding the Fourth Proportional to 1,532,071.17, 2,114,177.22 and 878,663.49

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Solution

The fourth proportional to 1,532,071.17, 2,114,177.22 and 878,663.49 is: 1,212,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,071.17 : 2,114,177.22 = 878,663.49 : x
  2. Step 2: Convert to fraction form
    1,532,071.17/2,114,177.22 = 878,663.49/x
  3. Step 3: Cross multiply
    1,532,071.17x = 2,114,177.22 × 878,663.49
  4. Step 4: Simplify right side
    1,532,071.17x = 1,857,650,334,603.70
  5. Step 5: Solve for x
    x = 1,857,650,334,603.70/1,532,071.17
  6. Step 6: Final answer
    x = 1,212,509.16

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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.