Home / 1,208,312.80-1,813,125.30-498,412.60

Finding the Fourth Proportional to 1,208,312.80, 1,813,125.30 and 498,412.60

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Solution

The fourth proportional to 1,208,312.80, 1,813,125.30 and 498,412.60 is: 747,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,312.80 : 1,813,125.30 = 498,412.60 : x
  2. Step 2: Convert to fraction form
    1,208,312.80/1,813,125.30 = 498,412.60/x
  3. Step 3: Cross multiply
    1,208,312.80x = 1,813,125.30 × 498,412.60
  4. Step 4: Simplify right side
    1,208,312.80x = 903,684,494,898.78
  5. Step 5: Solve for x
    x = 903,684,494,898.78/1,208,312.80
  6. Step 6: Final answer
    x = 747,889.53

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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.