Home / 1,071,102.30-1,604,665.29-766,868.70

Finding the Fourth Proportional to 1,071,102.30, 1,604,665.29 and 766,868.70

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Solution

The fourth proportional to 1,071,102.30, 1,604,665.29 and 766,868.70 is: 1,148,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,102.30 : 1,604,665.29 = 766,868.70 : x
  2. Step 2: Convert to fraction form
    1,071,102.30/1,604,665.29 = 766,868.70/x
  3. Step 3: Cross multiply
    1,071,102.30x = 1,604,665.29 × 766,868.70
  4. Step 4: Simplify right side
    1,071,102.30x = 1,230,567,584,877.42
  5. Step 5: Solve for x
    x = 1,230,567,584,877.42/1,071,102.30
  6. Step 6: Final answer
    x = 1,148,879.60

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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.