Home / 1,152,519.00-1,590,684.40-687,402.70

Finding the Fourth Proportional to 1,152,519.00, 1,590,684.40 and 687,402.70

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Solution

The fourth proportional to 1,152,519.00, 1,590,684.40 and 687,402.70 is: 948,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,519.00 : 1,590,684.40 = 687,402.70 : x
  2. Step 2: Convert to fraction form
    1,152,519.00/1,590,684.40 = 687,402.70/x
  3. Step 3: Cross multiply
    1,152,519.00x = 1,590,684.40 × 687,402.70
  4. Step 4: Simplify right side
    1,152,519.00x = 1,093,440,759,171.34
  5. Step 5: Solve for x
    x = 1,093,440,759,171.34/1,152,519.00
  6. Step 6: Final answer
    x = 948,739.89

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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.