Home / 1,405,411.08-2,107,941.66-458,702.52

Finding the Fourth Proportional to 1,405,411.08, 2,107,941.66 and 458,702.52

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Solution

The fourth proportional to 1,405,411.08, 2,107,941.66 and 458,702.52 is: 687,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,411.08 : 2,107,941.66 = 458,702.52 : x
  2. Step 2: Convert to fraction form
    1,405,411.08/2,107,941.66 = 458,702.52/x
  3. Step 3: Cross multiply
    1,405,411.08x = 2,107,941.66 × 458,702.52
  4. Step 4: Simplify right side
    1,405,411.08x = 966,918,151,454.98
  5. Step 5: Solve for x
    x = 966,918,151,454.98/1,405,411.08
  6. Step 6: Final answer
    x = 687,996.68

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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.