Home / 1,399,411.08-2,098,766.70-402,139.08

Finding the Fourth Proportional to 1,399,411.08, 2,098,766.70 and 402,139.08

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Solution

The fourth proportional to 1,399,411.08, 2,098,766.70 and 402,139.08 is: 603,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,411.08 : 2,098,766.70 = 402,139.08 : x
  2. Step 2: Convert to fraction form
    1,399,411.08/2,098,766.70 = 402,139.08/x
  3. Step 3: Cross multiply
    1,399,411.08x = 2,098,766.70 × 402,139.08
  4. Step 4: Simplify right side
    1,399,411.08x = 843,996,109,872.64
  5. Step 5: Solve for x
    x = 843,996,109,872.64/1,399,411.08
  6. Step 6: Final answer
    x = 603,108.07

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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.