Home / 1,158,707.79-1,598,961.02-642,482.66

Finding the Fourth Proportional to 1,158,707.79, 1,598,961.02 and 642,482.66

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Solution

The fourth proportional to 1,158,707.79, 1,598,961.02 and 642,482.66 is: 886,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,707.79 : 1,598,961.02 = 642,482.66 : x
  2. Step 2: Convert to fraction form
    1,158,707.79/1,598,961.02 = 642,482.66/x
  3. Step 3: Cross multiply
    1,158,707.79x = 1,598,961.02 × 642,482.66
  4. Step 4: Simplify right side
    1,158,707.79x = 1,027,304,730,150.90
  5. Step 5: Solve for x
    x = 1,027,304,730,150.90/1,158,707.79
  6. Step 6: Final answer
    x = 886,595.17

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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.