Home / 1,355,693.18-1,870,891.00-743,845.77

Finding the Fourth Proportional to 1,355,693.18, 1,870,891.00 and 743,845.77

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Solution

The fourth proportional to 1,355,693.18, 1,870,891.00 and 743,845.77 is: 1,026,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,693.18 : 1,870,891.00 = 743,845.77 : x
  2. Step 2: Convert to fraction form
    1,355,693.18/1,870,891.00 = 743,845.77/x
  3. Step 3: Cross multiply
    1,355,693.18x = 1,870,891.00 × 743,845.77
  4. Step 4: Simplify right side
    1,355,693.18x = 1,391,654,354,621.46
  5. Step 5: Solve for x
    x = 1,391,654,354,621.46/1,355,693.18
  6. Step 6: Final answer
    x = 1,026,526.05

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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.