Home / 1,150,585.32-1,587,862.08-641,291.40

Finding the Fourth Proportional to 1,150,585.32, 1,587,862.08 and 641,291.40

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Solution

The fourth proportional to 1,150,585.32, 1,587,862.08 and 641,291.40 is: 885,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,585.32 : 1,587,862.08 = 641,291.40 : x
  2. Step 2: Convert to fraction form
    1,150,585.32/1,587,862.08 = 641,291.40/x
  3. Step 3: Cross multiply
    1,150,585.32x = 1,587,862.08 × 641,291.40
  4. Step 4: Simplify right side
    1,150,585.32x = 1,018,282,296,290.11
  5. Step 5: Solve for x
    x = 1,018,282,296,290.11/1,150,585.32
  6. Step 6: Final answer
    x = 885,012.42

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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.