Home / 908,142.80-1,363,526.40-685,068.80

Finding the Fourth Proportional to 908,142.80, 1,363,526.40 and 685,068.80

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Solution

The fourth proportional to 908,142.80, 1,363,526.40 and 685,068.80 is: 1,028,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,142.80 : 1,363,526.40 = 685,068.80 : x
  2. Step 2: Convert to fraction form
    908,142.80/1,363,526.40 = 685,068.80/x
  3. Step 3: Cross multiply
    908,142.80x = 1,363,526.40 × 685,068.80
  4. Step 4: Simplify right side
    908,142.80x = 934,109,394,616.32
  5. Step 5: Solve for x
    x = 934,109,394,616.32/908,142.80
  6. Step 6: Final answer
    x = 1,028,593.07

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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.