Home / 1,590,825.28-2,386,242.85-392,747.74

Finding the Fourth Proportional to 1,590,825.28, 2,386,242.85 and 392,747.74

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Solution

The fourth proportional to 1,590,825.28, 2,386,242.85 and 392,747.74 is: 589,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,825.28 : 2,386,242.85 = 392,747.74 : x
  2. Step 2: Convert to fraction form
    1,590,825.28/2,386,242.85 = 392,747.74/x
  3. Step 3: Cross multiply
    1,590,825.28x = 2,386,242.85 × 392,747.74
  4. Step 4: Simplify right side
    1,590,825.28x = 937,191,474,497.45
  5. Step 5: Solve for x
    x = 937,191,474,497.45/1,590,825.28
  6. Step 6: Final answer
    x = 589,122.82

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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.