Home / 1,337,029.92-2,005,347.60-390,146.40

Finding the Fourth Proportional to 1,337,029.92, 2,005,347.60 and 390,146.40

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Solution

The fourth proportional to 1,337,029.92, 2,005,347.60 and 390,146.40 is: 585,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,029.92 : 2,005,347.60 = 390,146.40 : x
  2. Step 2: Convert to fraction form
    1,337,029.92/2,005,347.60 = 390,146.40/x
  3. Step 3: Cross multiply
    1,337,029.92x = 2,005,347.60 × 390,146.40
  4. Step 4: Simplify right side
    1,337,029.92x = 782,379,146,888.64
  5. Step 5: Solve for x
    x = 782,379,146,888.64/1,337,029.92
  6. Step 6: Final answer
    x = 585,162.03

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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.