Home / 1,306,911.40-1,959,330.30-715,935.40

Finding the Fourth Proportional to 1,306,911.40, 1,959,330.30 and 715,935.40

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Solution

The fourth proportional to 1,306,911.40, 1,959,330.30 and 715,935.40 is: 1,073,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,911.40 : 1,959,330.30 = 715,935.40 : x
  2. Step 2: Convert to fraction form
    1,306,911.40/1,959,330.30 = 715,935.40/x
  3. Step 3: Cross multiply
    1,306,911.40x = 1,959,330.30 × 715,935.40
  4. Step 4: Simplify right side
    1,306,911.40x = 1,402,753,922,062.62
  5. Step 5: Solve for x
    x = 1,402,753,922,062.62/1,306,911.40
  6. Step 6: Final answer
    x = 1,073,335.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.