Home / 1,657,672.80-2,486,509.20-947,772.60

Finding the Fourth Proportional to 1,657,672.80, 2,486,509.20 and 947,772.60

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Solution

The fourth proportional to 1,657,672.80, 2,486,509.20 and 947,772.60 is: 1,421,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,672.80 : 2,486,509.20 = 947,772.60 : x
  2. Step 2: Convert to fraction form
    1,657,672.80/2,486,509.20 = 947,772.60/x
  3. Step 3: Cross multiply
    1,657,672.80x = 2,486,509.20 × 947,772.60
  4. Step 4: Simplify right side
    1,657,672.80x = 2,356,645,289,407.92
  5. Step 5: Solve for x
    x = 2,356,645,289,407.92/1,657,672.80
  6. Step 6: Final answer
    x = 1,421,658.90

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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.