Home / 1,141,585.76-1,575,399.90-688,789.28

Finding the Fourth Proportional to 1,141,585.76, 1,575,399.90 and 688,789.28

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Solution

The fourth proportional to 1,141,585.76, 1,575,399.90 and 688,789.28 is: 950,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,585.76 : 1,575,399.90 = 688,789.28 : x
  2. Step 2: Convert to fraction form
    1,141,585.76/1,575,399.90 = 688,789.28/x
  3. Step 3: Cross multiply
    1,141,585.76x = 1,575,399.90 × 688,789.28
  4. Step 4: Simplify right side
    1,141,585.76x = 1,085,118,562,833.07
  5. Step 5: Solve for x
    x = 1,085,118,562,833.07/1,141,585.76
  6. Step 6: Final answer
    x = 950,536.18

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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.