Home / 1,299,643.52-1,793,387.70-718,854.16

Finding the Fourth Proportional to 1,299,643.52, 1,793,387.70 and 718,854.16

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Solution

The fourth proportional to 1,299,643.52, 1,793,387.70 and 718,854.16 is: 991,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,643.52 : 1,793,387.70 = 718,854.16 : x
  2. Step 2: Convert to fraction form
    1,299,643.52/1,793,387.70 = 718,854.16/x
  3. Step 3: Cross multiply
    1,299,643.52x = 1,793,387.70 × 718,854.16
  4. Step 4: Simplify right side
    1,299,643.52x = 1,289,184,204,154.36
  5. Step 5: Solve for x
    x = 1,289,184,204,154.36/1,299,643.52
  6. Step 6: Final answer
    x = 991,952.16

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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.