Home / 1,213,009.20-1,819,513.80-502,963.20

Finding the Fourth Proportional to 1,213,009.20, 1,819,513.80 and 502,963.20

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Solution

The fourth proportional to 1,213,009.20, 1,819,513.80 and 502,963.20 is: 754,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,009.20 : 1,819,513.80 = 502,963.20 : x
  2. Step 2: Convert to fraction form
    1,213,009.20/1,819,513.80 = 502,963.20/x
  3. Step 3: Cross multiply
    1,213,009.20x = 1,819,513.80 × 502,963.20
  4. Step 4: Simplify right side
    1,213,009.20x = 915,148,483,292.16
  5. Step 5: Solve for x
    x = 915,148,483,292.16/1,213,009.20
  6. Step 6: Final answer
    x = 754,444.80

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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.