Home / 1,857,947.64-2,786,925.84-510,128.72

Finding the Fourth Proportional to 1,857,947.64, 2,786,925.84 and 510,128.72

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Solution

The fourth proportional to 1,857,947.64, 2,786,925.84 and 510,128.72 is: 765,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,947.64 : 2,786,925.84 = 510,128.72 : x
  2. Step 2: Convert to fraction form
    1,857,947.64/2,786,925.84 = 510,128.72/x
  3. Step 3: Cross multiply
    1,857,947.64x = 2,786,925.84 × 510,128.72
  4. Step 4: Simplify right side
    1,857,947.64x = 1,421,690,911,494.12
  5. Step 5: Solve for x
    x = 1,421,690,911,494.12/1,857,947.64
  6. Step 6: Final answer
    x = 765,194.28

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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.