Home / 1,218,276.72-1,827,337.26-376,758

Finding the Fourth Proportional to 1,218,276.72, 1,827,337.26 and 376,758

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Solution

The fourth proportional to 1,218,276.72, 1,827,337.26 and 376,758 is: 565,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,276.72 : 1,827,337.26 = 376,758 : x
  2. Step 2: Convert to fraction form
    1,218,276.72/1,827,337.26 = 376,758/x
  3. Step 3: Cross multiply
    1,218,276.72x = 1,827,337.26 × 376,758
  4. Step 4: Simplify right side
    1,218,276.72x = 688,463,931,403.08
  5. Step 5: Solve for x
    x = 688,463,931,403.08/1,218,276.72
  6. Step 6: Final answer
    x = 565,112.93

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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.