Home / 1,228,924.92-1,696,116.16-739,389.24

Finding the Fourth Proportional to 1,228,924.92, 1,696,116.16 and 739,389.24

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Solution

The fourth proportional to 1,228,924.92, 1,696,116.16 and 739,389.24 is: 1,020,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,924.92 : 1,696,116.16 = 739,389.24 : x
  2. Step 2: Convert to fraction form
    1,228,924.92/1,696,116.16 = 739,389.24/x
  3. Step 3: Cross multiply
    1,228,924.92x = 1,696,116.16 × 739,389.24
  4. Step 4: Simplify right side
    1,228,924.92x = 1,254,090,030,013.54
  5. Step 5: Solve for x
    x = 1,254,090,030,013.54/1,228,924.92
  6. Step 6: Final answer
    x = 1,020,477.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.