Home / 1,148,711.61-1,585,195.78-719,228.55

Finding the Fourth Proportional to 1,148,711.61, 1,585,195.78 and 719,228.55

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Solution

The fourth proportional to 1,148,711.61, 1,585,195.78 and 719,228.55 is: 992,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,711.61 : 1,585,195.78 = 719,228.55 : x
  2. Step 2: Convert to fraction form
    1,148,711.61/1,585,195.78 = 719,228.55/x
  3. Step 3: Cross multiply
    1,148,711.61x = 1,585,195.78 × 719,228.55
  4. Step 4: Simplify right side
    1,148,711.61x = 1,140,118,062,315.52
  5. Step 5: Solve for x
    x = 1,140,118,062,315.52/1,148,711.61
  6. Step 6: Final answer
    x = 992,518.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.