Home / 1,065,079.41-1,598,412.60-781,502.74

Finding the Fourth Proportional to 1,065,079.41, 1,598,412.60 and 781,502.74

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Solution

The fourth proportional to 1,065,079.41, 1,598,412.60 and 781,502.74 is: 1,172,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,079.41 : 1,598,412.60 = 781,502.74 : x
  2. Step 2: Convert to fraction form
    1,065,079.41/1,598,412.60 = 781,502.74/x
  3. Step 3: Cross multiply
    1,065,079.41x = 1,598,412.60 × 781,502.74
  4. Step 4: Simplify right side
    1,065,079.41x = 1,249,163,826,550.52
  5. Step 5: Solve for x
    x = 1,249,163,826,550.52/1,065,079.41
  6. Step 6: Final answer
    x = 1,172,836.33

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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.