Home / 1,212,900.65-1,818,818.13-454,210.00

Finding the Fourth Proportional to 1,212,900.65, 1,818,818.13 and 454,210.00

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Solution

The fourth proportional to 1,212,900.65, 1,818,818.13 and 454,210.00 is: 681,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,900.65 : 1,818,818.13 = 454,210.00 : x
  2. Step 2: Convert to fraction form
    1,212,900.65/1,818,818.13 = 454,210.00/x
  3. Step 3: Cross multiply
    1,212,900.65x = 1,818,818.13 × 454,210.00
  4. Step 4: Simplify right side
    1,212,900.65x = 826,125,377,428.61
  5. Step 5: Solve for x
    x = 826,125,377,428.61/1,212,900.65
  6. Step 6: Final answer
    x = 681,115.46

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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.