Home / 1,249,686.80-1,874,142.70-450,864.52

Finding the Fourth Proportional to 1,249,686.80, 1,874,142.70 and 450,864.52

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Solution

The fourth proportional to 1,249,686.80, 1,874,142.70 and 450,864.52 is: 676,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,686.80 : 1,874,142.70 = 450,864.52 : x
  2. Step 2: Convert to fraction form
    1,249,686.80/1,874,142.70 = 450,864.52/x
  3. Step 3: Cross multiply
    1,249,686.80x = 1,874,142.70 × 450,864.52
  4. Step 4: Simplify right side
    1,249,686.80x = 844,984,448,847.00
  5. Step 5: Solve for x
    x = 844,984,448,847.00/1,249,686.80
  6. Step 6: Final answer
    x = 676,156.98

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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.