Home / 1,712,728.22-2,569,150.65-813,705.98

Finding the Fourth Proportional to 1,712,728.22, 2,569,150.65 and 813,705.98

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Solution

The fourth proportional to 1,712,728.22, 2,569,150.65 and 813,705.98 is: 1,220,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,728.22 : 2,569,150.65 = 813,705.98 : x
  2. Step 2: Convert to fraction form
    1,712,728.22/2,569,150.65 = 813,705.98/x
  3. Step 3: Cross multiply
    1,712,728.22x = 2,569,150.65 × 813,705.98
  4. Step 4: Simplify right side
    1,712,728.22x = 2,090,533,247,425.89
  5. Step 5: Solve for x
    x = 2,090,533,247,425.89/1,712,728.22
  6. Step 6: Final answer
    x = 1,220,586.68

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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.