Home / 1,202,137.40-1,803,206.10-572,281.40

Finding the Fourth Proportional to 1,202,137.40, 1,803,206.10 and 572,281.40

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Solution

The fourth proportional to 1,202,137.40, 1,803,206.10 and 572,281.40 is: 858,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,137.40 : 1,803,206.10 = 572,281.40 : x
  2. Step 2: Convert to fraction form
    1,202,137.40/1,803,206.10 = 572,281.40/x
  3. Step 3: Cross multiply
    1,202,137.40x = 1,803,206.10 × 572,281.40
  4. Step 4: Simplify right side
    1,202,137.40x = 1,031,941,311,396.54
  5. Step 5: Solve for x
    x = 1,031,941,311,396.54/1,202,137.40
  6. Step 6: Final answer
    x = 858,422.10

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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.