Home / 1,139,639.15-1,706,565.15-683,943.54

Finding the Fourth Proportional to 1,139,639.15, 1,706,565.15 and 683,943.54

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Solution

The fourth proportional to 1,139,639.15, 1,706,565.15 and 683,943.54 is: 1,024,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,639.15 : 1,706,565.15 = 683,943.54 : x
  2. Step 2: Convert to fraction form
    1,139,639.15/1,706,565.15 = 683,943.54/x
  3. Step 3: Cross multiply
    1,139,639.15x = 1,706,565.15 × 683,943.54
  4. Step 4: Simplify right side
    1,139,639.15x = 1,167,194,209,931.63
  5. Step 5: Solve for x
    x = 1,167,194,209,931.63/1,139,639.15
  6. Step 6: Final answer
    x = 1,024,178.76

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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.