Home / 1,241,315.60-1,861,973.40-879,148.40

Finding the Fourth Proportional to 1,241,315.60, 1,861,973.40 and 879,148.40

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Solution

The fourth proportional to 1,241,315.60, 1,861,973.40 and 879,148.40 is: 1,318,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,315.60 : 1,861,973.40 = 879,148.40 : x
  2. Step 2: Convert to fraction form
    1,241,315.60/1,861,973.40 = 879,148.40/x
  3. Step 3: Cross multiply
    1,241,315.60x = 1,861,973.40 × 879,148.40
  4. Step 4: Simplify right side
    1,241,315.60x = 1,636,950,935,452.56
  5. Step 5: Solve for x
    x = 1,636,950,935,452.56/1,241,315.60
  6. Step 6: Final answer
    x = 1,318,722.60

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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.