Home / 1,590,824.78-2,386,242.10-392,747.24

Finding the Fourth Proportional to 1,590,824.78, 2,386,242.10 and 392,747.24

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Solution

The fourth proportional to 1,590,824.78, 2,386,242.10 and 392,747.24 is: 589,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,824.78 : 2,386,242.10 = 392,747.24 : x
  2. Step 2: Convert to fraction form
    1,590,824.78/2,386,242.10 = 392,747.24/x
  3. Step 3: Cross multiply
    1,590,824.78x = 2,386,242.10 × 392,747.24
  4. Step 4: Simplify right side
    1,590,824.78x = 937,189,986,815.59
  5. Step 5: Solve for x
    x = 937,189,986,815.59/1,590,824.78
  6. Step 6: Final answer
    x = 589,122.07

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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.