Home / 1,564,580.12-2,346,490.88-427,347.64

Finding the Fourth Proportional to 1,564,580.12, 2,346,490.88 and 427,347.64

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Solution

The fourth proportional to 1,564,580.12, 2,346,490.88 and 427,347.64 is: 640,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,580.12 : 2,346,490.88 = 427,347.64 : x
  2. Step 2: Convert to fraction form
    1,564,580.12/2,346,490.88 = 427,347.64/x
  3. Step 3: Cross multiply
    1,564,580.12x = 2,346,490.88 × 427,347.64
  4. Step 4: Simplify right side
    1,564,580.12x = 1,002,767,339,849.52
  5. Step 5: Solve for x
    x = 1,002,767,339,849.52/1,564,580.12
  6. Step 6: Final answer
    x = 640,917.86

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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.