Home / 1,780,159.02-2,670,209.37-432,332.70

Finding the Fourth Proportional to 1,780,159.02, 2,670,209.37 and 432,332.70

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Solution

The fourth proportional to 1,780,159.02, 2,670,209.37 and 432,332.70 is: 648,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,159.02 : 2,670,209.37 = 432,332.70 : x
  2. Step 2: Convert to fraction form
    1,780,159.02/2,670,209.37 = 432,332.70/x
  3. Step 3: Cross multiply
    1,780,159.02x = 2,670,209.37 × 432,332.70
  4. Step 4: Simplify right side
    1,780,159.02x = 1,154,418,826,497.40
  5. Step 5: Solve for x
    x = 1,154,418,826,497.40/1,780,159.02
  6. Step 6: Final answer
    x = 648,491.97

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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.