Home / 1,357,572.79-1,873,029.04-784,403.83

Finding the Fourth Proportional to 1,357,572.79, 1,873,029.04 and 784,403.83

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Solution

The fourth proportional to 1,357,572.79, 1,873,029.04 and 784,403.83 is: 1,082,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,572.79 : 1,873,029.04 = 784,403.83 : x
  2. Step 2: Convert to fraction form
    1,357,572.79/1,873,029.04 = 784,403.83/x
  3. Step 3: Cross multiply
    1,357,572.79x = 1,873,029.04 × 784,403.83
  4. Step 4: Simplify right side
    1,357,572.79x = 1,469,211,152,677.22
  5. Step 5: Solve for x
    x = 1,469,211,152,677.22/1,357,572.79
  6. Step 6: Final answer
    x = 1,082,233.80

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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.