Home / 1,225,921.90-1,838,008.05-551,451.10

Finding the Fourth Proportional to 1,225,921.90, 1,838,008.05 and 551,451.10

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Solution

The fourth proportional to 1,225,921.90, 1,838,008.05 and 551,451.10 is: 826,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,921.90 : 1,838,008.05 = 551,451.10 : x
  2. Step 2: Convert to fraction form
    1,225,921.90/1,838,008.05 = 551,451.10/x
  3. Step 3: Cross multiply
    1,225,921.90x = 1,838,008.05 × 551,451.10
  4. Step 4: Simplify right side
    1,225,921.90x = 1,013,571,560,981.36
  5. Step 5: Solve for x
    x = 1,013,571,560,981.36/1,225,921.90
  6. Step 6: Final answer
    x = 826,783.14

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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.