Home / 1,202,138.40-1,803,207.60-572,282.40

Finding the Fourth Proportional to 1,202,138.40, 1,803,207.60 and 572,282.40

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Solution

The fourth proportional to 1,202,138.40, 1,803,207.60 and 572,282.40 is: 858,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,138.40 : 1,803,207.60 = 572,282.40 : x
  2. Step 2: Convert to fraction form
    1,202,138.40/1,803,207.60 = 572,282.40/x
  3. Step 3: Cross multiply
    1,202,138.40x = 1,803,207.60 × 572,282.40
  4. Step 4: Simplify right side
    1,202,138.40x = 1,031,943,973,026.24
  5. Step 5: Solve for x
    x = 1,031,943,973,026.24/1,202,138.40
  6. Step 6: Final answer
    x = 858,423.60

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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.