Home / 1,380,118.19-2,070,259.97-433,488.90

Finding the Fourth Proportional to 1,380,118.19, 2,070,259.97 and 433,488.90

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Solution

The fourth proportional to 1,380,118.19, 2,070,259.97 and 433,488.90 is: 650,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,118.19 : 2,070,259.97 = 433,488.90 : x
  2. Step 2: Convert to fraction form
    1,380,118.19/2,070,259.97 = 433,488.90/x
  3. Step 3: Cross multiply
    1,380,118.19x = 2,070,259.97 × 433,488.90
  4. Step 4: Simplify right side
    1,380,118.19x = 897,434,714,941.89
  5. Step 5: Solve for x
    x = 897,434,714,941.89/1,380,118.19
  6. Step 6: Final answer
    x = 650,259.32

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1.5x scale

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.