Home / 1,018,568.32-1,520,375.84-943,504

Finding the Fourth Proportional to 1,018,568.32, 1,520,375.84 and 943,504

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Solution

The fourth proportional to 1,018,568.32, 1,520,375.84 and 943,504 is: 1,408,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,568.32 : 1,520,375.84 = 943,504 : x
  2. Step 2: Convert to fraction form
    1,018,568.32/1,520,375.84 = 943,504/x
  3. Step 3: Cross multiply
    1,018,568.32x = 1,520,375.84 × 943,504
  4. Step 4: Simplify right side
    1,018,568.32x = 1,434,480,686,543.36
  5. Step 5: Solve for x
    x = 1,434,480,686,543.36/1,018,568.32
  6. Step 6: Final answer
    x = 1,408,330.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.