Home / 1,158,845.98-1,599,211.02-642,636.22

Finding the Fourth Proportional to 1,158,845.98, 1,599,211.02 and 642,636.22

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Solution

The fourth proportional to 1,158,845.98, 1,599,211.02 and 642,636.22 is: 886,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,845.98 : 1,599,211.02 = 642,636.22 : x
  2. Step 2: Convert to fraction form
    1,158,845.98/1,599,211.02 = 642,636.22/x
  3. Step 3: Cross multiply
    1,158,845.98x = 1,599,211.02 × 642,636.22
  4. Step 4: Simplify right side
    1,158,845.98x = 1,027,710,924,875.14
  5. Step 5: Solve for x
    x = 1,027,710,924,875.14/1,158,845.98
  6. Step 6: Final answer
    x = 886,839.96

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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.