Home / 1,249,342.40-1,874,013.60-450,747.20

Finding the Fourth Proportional to 1,249,342.40, 1,874,013.60 and 450,747.20

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Solution

The fourth proportional to 1,249,342.40, 1,874,013.60 and 450,747.20 is: 676,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,342.40 : 1,874,013.60 = 450,747.20 : x
  2. Step 2: Convert to fraction form
    1,249,342.40/1,874,013.60 = 450,747.20/x
  3. Step 3: Cross multiply
    1,249,342.40x = 1,874,013.60 × 450,747.20
  4. Step 4: Simplify right side
    1,249,342.40x = 844,706,382,961.92
  5. Step 5: Solve for x
    x = 844,706,382,961.92/1,249,342.40
  6. Step 6: Final answer
    x = 676,120.80

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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.