Home / 1,159,236.55-1,599,666.31-642,941.74

Finding the Fourth Proportional to 1,159,236.55, 1,599,666.31 and 642,941.74

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Solution

The fourth proportional to 1,159,236.55, 1,599,666.31 and 642,941.74 is: 887,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,236.55 : 1,599,666.31 = 642,941.74 : x
  2. Step 2: Convert to fraction form
    1,159,236.55/1,599,666.31 = 642,941.74/x
  3. Step 3: Cross multiply
    1,159,236.55x = 1,599,666.31 × 642,941.74
  4. Step 4: Simplify right side
    1,159,236.55x = 1,028,492,240,770.78
  5. Step 5: Solve for x
    x = 1,028,492,240,770.78/1,159,236.55
  6. Step 6: Final answer
    x = 887,215.16

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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.