Home / 1,009,057.06-1,510,494.54-653,363.38

Finding the Fourth Proportional to 1,009,057.06, 1,510,494.54 and 653,363.38

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Solution

The fourth proportional to 1,009,057.06, 1,510,494.54 and 653,363.38 is: 978,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,057.06 : 1,510,494.54 = 653,363.38 : x
  2. Step 2: Convert to fraction form
    1,009,057.06/1,510,494.54 = 653,363.38/x
  3. Step 3: Cross multiply
    1,009,057.06x = 1,510,494.54 × 653,363.38
  4. Step 4: Simplify right side
    1,009,057.06x = 986,901,818,125.95
  5. Step 5: Solve for x
    x = 986,901,818,125.95/1,009,057.06
  6. Step 6: Final answer
    x = 978,043.62

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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.