Home / 1,123,870.40-1,685,805.60-993,962.60

Finding the Fourth Proportional to 1,123,870.40, 1,685,805.60 and 993,962.60

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Solution

The fourth proportional to 1,123,870.40, 1,685,805.60 and 993,962.60 is: 1,490,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,870.40 : 1,685,805.60 = 993,962.60 : x
  2. Step 2: Convert to fraction form
    1,123,870.40/1,685,805.60 = 993,962.60/x
  3. Step 3: Cross multiply
    1,123,870.40x = 1,685,805.60 × 993,962.60
  4. Step 4: Simplify right side
    1,123,870.40x = 1,675,627,717,270.56
  5. Step 5: Solve for x
    x = 1,675,627,717,270.56/1,123,870.40
  6. Step 6: Final answer
    x = 1,490,943.90

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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.