Home / 1,140,330.96-1,712,710.80-839,624.04

Finding the Fourth Proportional to 1,140,330.96, 1,712,710.80 and 839,624.04

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Solution

The fourth proportional to 1,140,330.96, 1,712,710.80 and 839,624.04 is: 1,261,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,330.96 : 1,712,710.80 = 839,624.04 : x
  2. Step 2: Convert to fraction form
    1,140,330.96/1,712,710.80 = 839,624.04/x
  3. Step 3: Cross multiply
    1,140,330.96x = 1,712,710.80 × 839,624.04
  4. Step 4: Simplify right side
    1,140,330.96x = 1,438,033,161,247.63
  5. Step 5: Solve for x
    x = 1,438,033,161,247.63/1,140,330.96
  6. Step 6: Final answer
    x = 1,261,066.49

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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.