Home / 1,725,389.91-2,381,000.57-1,000,218.98

Finding the Fourth Proportional to 1,725,389.91, 2,381,000.57 and 1,000,218.98

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Solution

The fourth proportional to 1,725,389.91, 2,381,000.57 and 1,000,218.98 is: 1,380,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,389.91 : 2,381,000.57 = 1,000,218.98 : x
  2. Step 2: Convert to fraction form
    1,725,389.91/2,381,000.57 = 1,000,218.98/x
  3. Step 3: Cross multiply
    1,725,389.91x = 2,381,000.57 × 1,000,218.98
  4. Step 4: Simplify right side
    1,725,389.91x = 2,381,521,966,207.05
  5. Step 5: Solve for x
    x = 2,381,521,966,207.05/1,725,389.91
  6. Step 6: Final answer
    x = 1,380,280.45

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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.