Home / 1,158,560.34-1,598,863.80-642,281.37

Finding the Fourth Proportional to 1,158,560.34, 1,598,863.80 and 642,281.37

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Solution

The fourth proportional to 1,158,560.34, 1,598,863.80 and 642,281.37 is: 886,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,560.34 : 1,598,863.80 = 642,281.37 : x
  2. Step 2: Convert to fraction form
    1,158,560.34/1,598,863.80 = 642,281.37/x
  3. Step 3: Cross multiply
    1,158,560.34x = 1,598,863.80 × 642,281.37
  4. Step 4: Simplify right side
    1,158,560.34x = 1,026,920,431,907.41
  5. Step 5: Solve for x
    x = 1,026,920,431,907.41/1,158,560.34
  6. Step 6: Final answer
    x = 886,376.30

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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.