Home / 1,386,426.52-1,913,233.35-774,583.88

Finding the Fourth Proportional to 1,386,426.52, 1,913,233.35 and 774,583.88

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Solution

The fourth proportional to 1,386,426.52, 1,913,233.35 and 774,583.88 is: 1,068,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,426.52 : 1,913,233.35 = 774,583.88 : x
  2. Step 2: Convert to fraction form
    1,386,426.52/1,913,233.35 = 774,583.88/x
  3. Step 3: Cross multiply
    1,386,426.52x = 1,913,233.35 × 774,583.88
  4. Step 4: Simplify right side
    1,386,426.52x = 1,481,959,700,581.79
  5. Step 5: Solve for x
    x = 1,481,959,700,581.79/1,386,426.52
  6. Step 6: Final answer
    x = 1,068,906.06

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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.