Home / 1,214,903.40-1,822,355.10-931,468.20

Finding the Fourth Proportional to 1,214,903.40, 1,822,355.10 and 931,468.20

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Solution

The fourth proportional to 1,214,903.40, 1,822,355.10 and 931,468.20 is: 1,397,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,903.40 : 1,822,355.10 = 931,468.20 : x
  2. Step 2: Convert to fraction form
    1,214,903.40/1,822,355.10 = 931,468.20/x
  3. Step 3: Cross multiply
    1,214,903.40x = 1,822,355.10 × 931,468.20
  4. Step 4: Simplify right side
    1,214,903.40x = 1,697,465,824,757.82
  5. Step 5: Solve for x
    x = 1,697,465,824,757.82/1,214,903.40
  6. Step 6: Final answer
    x = 1,397,202.30

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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.