Home / 1,330,663.52-1,836,316.68-718,816.16

Finding the Fourth Proportional to 1,330,663.52, 1,836,316.68 and 718,816.16

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Solution

The fourth proportional to 1,330,663.52, 1,836,316.68 and 718,816.16 is: 991,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,663.52 : 1,836,316.68 = 718,816.16 : x
  2. Step 2: Convert to fraction form
    1,330,663.52/1,836,316.68 = 718,816.16/x
  3. Step 3: Cross multiply
    1,330,663.52x = 1,836,316.68 × 718,816.16
  4. Step 4: Simplify right side
    1,330,663.52x = 1,319,974,104,461.55
  5. Step 5: Solve for x
    x = 1,319,974,104,461.55/1,330,663.52
  6. Step 6: Final answer
    x = 991,966.85

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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.