Home / 1,087,394.91-1,500,563.18-603,990.86

Finding the Fourth Proportional to 1,087,394.91, 1,500,563.18 and 603,990.86

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Solution

The fourth proportional to 1,087,394.91, 1,500,563.18 and 603,990.86 is: 833,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,394.91 : 1,500,563.18 = 603,990.86 : x
  2. Step 2: Convert to fraction form
    1,087,394.91/1,500,563.18 = 603,990.86/x
  3. Step 3: Cross multiply
    1,087,394.91x = 1,500,563.18 × 603,990.86
  4. Step 4: Simplify right side
    1,087,394.91x = 906,326,435,049.77
  5. Step 5: Solve for x
    x = 906,326,435,049.77/1,087,394.91
  6. Step 6: Final answer
    x = 833,484.16

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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.