Home / 1,095,312.43-1,638,972.10-646,248.43

Finding the Fourth Proportional to 1,095,312.43, 1,638,972.10 and 646,248.43

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Solution

The fourth proportional to 1,095,312.43, 1,638,972.10 and 646,248.43 is: 967,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,312.43 : 1,638,972.10 = 646,248.43 : x
  2. Step 2: Convert to fraction form
    1,095,312.43/1,638,972.10 = 646,248.43/x
  3. Step 3: Cross multiply
    1,095,312.43x = 1,638,972.10 × 646,248.43
  4. Step 4: Simplify right side
    1,095,312.43x = 1,059,183,146,438.80
  5. Step 5: Solve for x
    x = 1,059,183,146,438.80/1,095,312.43
  6. Step 6: Final answer
    x = 967,014.63

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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.