Home / 1,129,568.64-1,694,685.13-455,302.87

Finding the Fourth Proportional to 1,129,568.64, 1,694,685.13 and 455,302.87

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Solution

The fourth proportional to 1,129,568.64, 1,694,685.13 and 455,302.87 is: 683,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,568.64 : 1,694,685.13 = 455,302.87 : x
  2. Step 2: Convert to fraction form
    1,129,568.64/1,694,685.13 = 455,302.87/x
  3. Step 3: Cross multiply
    1,129,568.64x = 1,694,685.13 × 455,302.87
  4. Step 4: Simplify right side
    1,129,568.64x = 771,595,003,435.32
  5. Step 5: Solve for x
    x = 771,595,003,435.32/1,129,568.64
  6. Step 6: Final answer
    x = 683,088.20

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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.