Home / 1,340,641.28-1,850,132.48-737,075.20

Finding the Fourth Proportional to 1,340,641.28, 1,850,132.48 and 737,075.20

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Solution

The fourth proportional to 1,340,641.28, 1,850,132.48 and 737,075.20 is: 1,017,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,641.28 : 1,850,132.48 = 737,075.20 : x
  2. Step 2: Convert to fraction form
    1,340,641.28/1,850,132.48 = 737,075.20/x
  3. Step 3: Cross multiply
    1,340,641.28x = 1,850,132.48 × 737,075.20
  4. Step 4: Simplify right side
    1,340,641.28x = 1,363,686,767,722.50
  5. Step 5: Solve for x
    x = 1,363,686,767,722.50/1,340,641.28
  6. Step 6: Final answer
    x = 1,017,189.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.