Home / 875,108.80-1,312,663.20-735,140.80

Finding the Fourth Proportional to 875,108.80, 1,312,663.20 and 735,140.80

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Solution

The fourth proportional to 875,108.80, 1,312,663.20 and 735,140.80 is: 1,102,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,108.80 : 1,312,663.20 = 735,140.80 : x
  2. Step 2: Convert to fraction form
    875,108.80/1,312,663.20 = 735,140.80/x
  3. Step 3: Cross multiply
    875,108.80x = 1,312,663.20 × 735,140.80
  4. Step 4: Simplify right side
    875,108.80x = 964,992,274,978.56
  5. Step 5: Solve for x
    x = 964,992,274,978.56/875,108.80
  6. Step 6: Final answer
    x = 1,102,711.20

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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.