Home / 1,484,876.31-2,227,240.58-812,271.35

Finding the Fourth Proportional to 1,484,876.31, 2,227,240.58 and 812,271.35

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Solution

The fourth proportional to 1,484,876.31, 2,227,240.58 and 812,271.35 is: 1,218,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,876.31 : 2,227,240.58 = 812,271.35 : x
  2. Step 2: Convert to fraction form
    1,484,876.31/2,227,240.58 = 812,271.35/x
  3. Step 3: Cross multiply
    1,484,876.31x = 2,227,240.58 × 812,271.35
  4. Step 4: Simplify right side
    1,484,876.31x = 1,809,123,697,493.82
  5. Step 5: Solve for x
    x = 1,809,123,697,493.82/1,484,876.31
  6. Step 6: Final answer
    x = 1,218,366.60

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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.