Home / 1,780,459.07-2,670,691.95-432,622.82

Finding the Fourth Proportional to 1,780,459.07, 2,670,691.95 and 432,622.82

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Solution

The fourth proportional to 1,780,459.07, 2,670,691.95 and 432,622.82 is: 648,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,459.07 : 2,670,691.95 = 432,622.82 : x
  2. Step 2: Convert to fraction form
    1,780,459.07/2,670,691.95 = 432,622.82/x
  3. Step 3: Cross multiply
    1,780,459.07x = 2,670,691.95 × 432,622.82
  4. Step 4: Simplify right side
    1,780,459.07x = 1,155,402,267,243.73
  5. Step 5: Solve for x
    x = 1,155,402,267,243.73/1,780,459.07
  6. Step 6: Final answer
    x = 648,935.03

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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.