Home / 1,108,908.30-1,663,362.45-996,715.20

Finding the Fourth Proportional to 1,108,908.30, 1,663,362.45 and 996,715.20

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Solution

The fourth proportional to 1,108,908.30, 1,663,362.45 and 996,715.20 is: 1,495,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,908.30 : 1,663,362.45 = 996,715.20 : x
  2. Step 2: Convert to fraction form
    1,108,908.30/1,663,362.45 = 996,715.20/x
  3. Step 3: Cross multiply
    1,108,908.30x = 1,663,362.45 × 996,715.20
  4. Step 4: Simplify right side
    1,108,908.30x = 1,657,898,637,024.24
  5. Step 5: Solve for x
    x = 1,657,898,637,024.24/1,108,908.30
  6. Step 6: Final answer
    x = 1,495,072.80

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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.