Home / 1,150,780.40-1,588,097.88-641,427.92

Finding the Fourth Proportional to 1,150,780.40, 1,588,097.88 and 641,427.92

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Solution

The fourth proportional to 1,150,780.40, 1,588,097.88 and 641,427.92 is: 885,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,780.40 : 1,588,097.88 = 641,427.92 : x
  2. Step 2: Convert to fraction form
    1,150,780.40/1,588,097.88 = 641,427.92/x
  3. Step 3: Cross multiply
    1,150,780.40x = 1,588,097.88 × 641,427.92
  4. Step 4: Simplify right side
    1,150,780.40x = 1,018,650,319,924.81
  5. Step 5: Solve for x
    x = 1,018,650,319,924.81/1,150,780.40
  6. Step 6: Final answer
    x = 885,182.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.