Home / 1,153,655.40-1,592,077.26-644,390.58

Finding the Fourth Proportional to 1,153,655.40, 1,592,077.26 and 644,390.58

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Solution

The fourth proportional to 1,153,655.40, 1,592,077.26 and 644,390.58 is: 889,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,655.40 : 1,592,077.26 = 644,390.58 : x
  2. Step 2: Convert to fraction form
    1,153,655.40/1,592,077.26 = 644,390.58/x
  3. Step 3: Cross multiply
    1,153,655.40x = 1,592,077.26 × 644,390.58
  4. Step 4: Simplify right side
    1,153,655.40x = 1,025,919,588,976.21
  5. Step 5: Solve for x
    x = 1,025,919,588,976.21/1,153,655.40
  6. Step 6: Final answer
    x = 889,277.33

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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.