Home / 1,212,701.40-1,819,270.80-502,801.20

Finding the Fourth Proportional to 1,212,701.40, 1,819,270.80 and 502,801.20

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Solution

The fourth proportional to 1,212,701.40, 1,819,270.80 and 502,801.20 is: 754,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,701.40 : 1,819,270.80 = 502,801.20 : x
  2. Step 2: Convert to fraction form
    1,212,701.40/1,819,270.80 = 502,801.20/x
  3. Step 3: Cross multiply
    1,212,701.40x = 1,819,270.80 × 502,801.20
  4. Step 4: Simplify right side
    1,212,701.40x = 914,731,541,364.96
  5. Step 5: Solve for x
    x = 914,731,541,364.96/1,212,701.40
  6. Step 6: Final answer
    x = 754,292.48

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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.