Home / 1,711,520.76-2,361,985.74-947,658.36

Finding the Fourth Proportional to 1,711,520.76, 2,361,985.74 and 947,658.36

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Solution

The fourth proportional to 1,711,520.76, 2,361,985.74 and 947,658.36 is: 1,307,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,520.76 : 2,361,985.74 = 947,658.36 : x
  2. Step 2: Convert to fraction form
    1,711,520.76/2,361,985.74 = 947,658.36/x
  3. Step 3: Cross multiply
    1,711,520.76x = 2,361,985.74 × 947,658.36
  4. Step 4: Simplify right side
    1,711,520.76x = 2,238,355,532,711.79
  5. Step 5: Solve for x
    x = 2,238,355,532,711.79/1,711,520.76
  6. Step 6: Final answer
    x = 1,307,816.76

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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.