Home / 1,013,582.70-1,520,374.05-978,153.30

Finding the Fourth Proportional to 1,013,582.70, 1,520,374.05 and 978,153.30

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Solution

The fourth proportional to 1,013,582.70, 1,520,374.05 and 978,153.30 is: 1,467,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,582.70 : 1,520,374.05 = 978,153.30 : x
  2. Step 2: Convert to fraction form
    1,013,582.70/1,520,374.05 = 978,153.30/x
  3. Step 3: Cross multiply
    1,013,582.70x = 1,520,374.05 × 978,153.30
  4. Step 4: Simplify right side
    1,013,582.70x = 1,487,158,894,241.87
  5. Step 5: Solve for x
    x = 1,487,158,894,241.87/1,013,582.70
  6. Step 6: Final answer
    x = 1,467,229.95

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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.