Home / 1,435,686.29-1,981,288.64-791,148.02

Finding the Fourth Proportional to 1,435,686.29, 1,981,288.64 and 791,148.02

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Solution

The fourth proportional to 1,435,686.29, 1,981,288.64 and 791,148.02 is: 1,091,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,686.29 : 1,981,288.64 = 791,148.02 : x
  2. Step 2: Convert to fraction form
    1,435,686.29/1,981,288.64 = 791,148.02/x
  3. Step 3: Cross multiply
    1,435,686.29x = 1,981,288.64 × 791,148.02
  4. Step 4: Simplify right side
    1,435,686.29x = 1,567,492,584,584.49
  5. Step 5: Solve for x
    x = 1,567,492,584,584.49/1,435,686.29
  6. Step 6: Final answer
    x = 1,091,807.17

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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.