Home / 1,154,158.70-1,731,327.42-385,659.07

Finding the Fourth Proportional to 1,154,158.70, 1,731,327.42 and 385,659.07

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Solution

The fourth proportional to 1,154,158.70, 1,731,327.42 and 385,659.07 is: 578,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,158.70 : 1,731,327.42 = 385,659.07 : x
  2. Step 2: Convert to fraction form
    1,154,158.70/1,731,327.42 = 385,659.07/x
  3. Step 3: Cross multiply
    1,154,158.70x = 1,731,327.42 × 385,659.07
  4. Step 4: Simplify right side
    1,154,158.70x = 667,702,116,534.36
  5. Step 5: Solve for x
    x = 667,702,116,534.36/1,154,158.70
  6. Step 6: Final answer
    x = 578,518.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.