Home / 1,378,740.65-2,065,998.49-927,793.13

Finding the Fourth Proportional to 1,378,740.65, 2,065,998.49 and 927,793.13

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Solution

The fourth proportional to 1,378,740.65, 2,065,998.49 and 927,793.13 is: 1,390,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,740.65 : 2,065,998.49 = 927,793.13 : x
  2. Step 2: Convert to fraction form
    1,378,740.65/2,065,998.49 = 927,793.13/x
  3. Step 3: Cross multiply
    1,378,740.65x = 2,065,998.49 × 927,793.13
  4. Step 4: Simplify right side
    1,378,740.65x = 1,916,819,192,962.90
  5. Step 5: Solve for x
    x = 1,916,819,192,962.90/1,378,740.65
  6. Step 6: Final answer
    x = 1,390,268.14

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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.