Home / 1,791,578.76-2,472,378.72-986,762.76

Finding the Fourth Proportional to 1,791,578.76, 2,472,378.72 and 986,762.76

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Solution

The fourth proportional to 1,791,578.76, 2,472,378.72 and 986,762.76 is: 1,361,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,578.76 : 2,472,378.72 = 986,762.76 : x
  2. Step 2: Convert to fraction form
    1,791,578.76/2,472,378.72 = 986,762.76/x
  3. Step 3: Cross multiply
    1,791,578.76x = 2,472,378.72 × 986,762.76
  4. Step 4: Simplify right side
    1,791,578.76x = 2,439,651,249,512.47
  5. Step 5: Solve for x
    x = 2,439,651,249,512.47/1,791,578.76
  6. Step 6: Final answer
    x = 1,361,732.63

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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.