Home / 1,214,926.60-1,822,389.90-879,003.40

Finding the Fourth Proportional to 1,214,926.60, 1,822,389.90 and 879,003.40

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Solution

The fourth proportional to 1,214,926.60, 1,822,389.90 and 879,003.40 is: 1,318,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,926.60 : 1,822,389.90 = 879,003.40 : x
  2. Step 2: Convert to fraction form
    1,214,926.60/1,822,389.90 = 879,003.40/x
  3. Step 3: Cross multiply
    1,214,926.60x = 1,822,389.90 × 879,003.40
  4. Step 4: Simplify right side
    1,214,926.60x = 1,601,886,918,225.66
  5. Step 5: Solve for x
    x = 1,601,886,918,225.66/1,214,926.60
  6. Step 6: Final answer
    x = 1,318,505.10

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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.