Home / 1,690,939.40-2,536,309.46-554,442.98

Finding the Fourth Proportional to 1,690,939.40, 2,536,309.46 and 554,442.98

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Solution

The fourth proportional to 1,690,939.40, 2,536,309.46 and 554,442.98 is: 831,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,939.40 : 2,536,309.46 = 554,442.98 : x
  2. Step 2: Convert to fraction form
    1,690,939.40/2,536,309.46 = 554,442.98/x
  3. Step 3: Cross multiply
    1,690,939.40x = 2,536,309.46 × 554,442.98
  4. Step 4: Simplify right side
    1,690,939.40x = 1,406,238,963,909.15
  5. Step 5: Solve for x
    x = 1,406,238,963,909.15/1,690,939.40
  6. Step 6: Final answer
    x = 831,631.79

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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.