Home / 1,123,902.90-1,685,854.35-698,750.10

Finding the Fourth Proportional to 1,123,902.90, 1,685,854.35 and 698,750.10

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Solution

The fourth proportional to 1,123,902.90, 1,685,854.35 and 698,750.10 is: 1,048,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,902.90 : 1,685,854.35 = 698,750.10 : x
  2. Step 2: Convert to fraction form
    1,123,902.90/1,685,854.35 = 698,750.10/x
  3. Step 3: Cross multiply
    1,123,902.90x = 1,685,854.35 × 698,750.10
  4. Step 4: Simplify right side
    1,123,902.90x = 1,177,990,895,647.94
  5. Step 5: Solve for x
    x = 1,177,990,895,647.94/1,123,902.90
  6. Step 6: Final answer
    x = 1,048,125.15

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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.