Home / 1,358,697.18-2,038,054.43-399,148.89

Finding the Fourth Proportional to 1,358,697.18, 2,038,054.43 and 399,148.89

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Solution

The fourth proportional to 1,358,697.18, 2,038,054.43 and 399,148.89 is: 598,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,697.18 : 2,038,054.43 = 399,148.89 : x
  2. Step 2: Convert to fraction form
    1,358,697.18/2,038,054.43 = 399,148.89/x
  3. Step 3: Cross multiply
    1,358,697.18x = 2,038,054.43 × 399,148.89
  4. Step 4: Simplify right side
    1,358,697.18x = 813,487,156,849.25
  5. Step 5: Solve for x
    x = 813,487,156,849.25/1,358,697.18
  6. Step 6: Final answer
    x = 598,725.87

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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.