Home / 1,423,631.80-2,135,447.70-760,079.80

Finding the Fourth Proportional to 1,423,631.80, 2,135,447.70 and 760,079.80

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Solution

The fourth proportional to 1,423,631.80, 2,135,447.70 and 760,079.80 is: 1,140,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,631.80 : 2,135,447.70 = 760,079.80 : x
  2. Step 2: Convert to fraction form
    1,423,631.80/2,135,447.70 = 760,079.80/x
  3. Step 3: Cross multiply
    1,423,631.80x = 2,135,447.70 × 760,079.80
  4. Step 4: Simplify right side
    1,423,631.80x = 1,623,110,660,726.46
  5. Step 5: Solve for x
    x = 1,623,110,660,726.46/1,423,631.80
  6. Step 6: Final answer
    x = 1,140,119.70

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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.