Home / 1,158,605.53-1,598,970.32-642,521.05

Finding the Fourth Proportional to 1,158,605.53, 1,598,970.32 and 642,521.05

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Solution

The fourth proportional to 1,158,605.53, 1,598,970.32 and 642,521.05 is: 886,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,605.53 : 1,598,970.32 = 642,521.05 : x
  2. Step 2: Convert to fraction form
    1,158,605.53/1,598,970.32 = 642,521.05/x
  3. Step 3: Cross multiply
    1,158,605.53x = 1,598,970.32 × 642,521.05
  4. Step 4: Simplify right side
    1,158,605.53x = 1,027,372,088,925.24
  5. Step 5: Solve for x
    x = 1,027,372,088,925.24/1,158,605.53
  6. Step 6: Final answer
    x = 886,731.56

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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.