Home / 1,249,942.92-1,875,002.68-618,687.24

Finding the Fourth Proportional to 1,249,942.92, 1,875,002.68 and 618,687.24

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Solution

The fourth proportional to 1,249,942.92, 1,875,002.68 and 618,687.24 is: 928,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,942.92 : 1,875,002.68 = 618,687.24 : x
  2. Step 2: Convert to fraction form
    1,249,942.92/1,875,002.68 = 618,687.24/x
  3. Step 3: Cross multiply
    1,249,942.92x = 1,875,002.68 × 618,687.24
  4. Step 4: Simplify right side
    1,249,942.92x = 1,160,040,233,081.80
  5. Step 5: Solve for x
    x = 1,160,040,233,081.80/1,249,942.92
  6. Step 6: Final answer
    x = 928,074.57

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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.