Home / 1,020,196.80-1,526,666.40-888,523.20

Finding the Fourth Proportional to 1,020,196.80, 1,526,666.40 and 888,523.20

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Solution

The fourth proportional to 1,020,196.80, 1,526,666.40 and 888,523.20 is: 1,329,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,196.80 : 1,526,666.40 = 888,523.20 : x
  2. Step 2: Convert to fraction form
    1,020,196.80/1,526,666.40 = 888,523.20/x
  3. Step 3: Cross multiply
    1,020,196.80x = 1,526,666.40 × 888,523.20
  4. Step 4: Simplify right side
    1,020,196.80x = 1,356,478,515,060.48
  5. Step 5: Solve for x
    x = 1,356,478,515,060.48/1,020,196.80
  6. Step 6: Final answer
    x = 1,329,624.36

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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.