Home / 1,241,315.60-1,861,973.40-442,623.20

Finding the Fourth Proportional to 1,241,315.60, 1,861,973.40 and 442,623.20

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Solution

The fourth proportional to 1,241,315.60, 1,861,973.40 and 442,623.20 is: 663,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,315.60 : 1,861,973.40 = 442,623.20 : x
  2. Step 2: Convert to fraction form
    1,241,315.60/1,861,973.40 = 442,623.20/x
  3. Step 3: Cross multiply
    1,241,315.60x = 1,861,973.40 × 442,623.20
  4. Step 4: Simplify right side
    1,241,315.60x = 824,152,624,622.88
  5. Step 5: Solve for x
    x = 824,152,624,622.88/1,241,315.60
  6. Step 6: Final answer
    x = 663,934.80

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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.