Home / 1,487,461.64-2,231,823.83-812,754.78

Finding the Fourth Proportional to 1,487,461.64, 2,231,823.83 and 812,754.78

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Solution

The fourth proportional to 1,487,461.64, 2,231,823.83 and 812,754.78 is: 1,219,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,461.64 : 2,231,823.83 = 812,754.78 : x
  2. Step 2: Convert to fraction form
    1,487,461.64/2,231,823.83 = 812,754.78/x
  3. Step 3: Cross multiply
    1,487,461.64x = 2,231,823.83 × 812,754.78
  4. Step 4: Simplify right side
    1,487,461.64x = 1,813,925,478,089.04
  5. Step 5: Solve for x
    x = 1,813,925,478,089.04/1,487,461.64
  6. Step 6: Final answer
    x = 1,219,477.15

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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.