Home / 1,459,731.36-2,189,714.16-513,314.40

Finding the Fourth Proportional to 1,459,731.36, 2,189,714.16 and 513,314.40

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Solution

The fourth proportional to 1,459,731.36, 2,189,714.16 and 513,314.40 is: 770,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,731.36 : 2,189,714.16 = 513,314.40 : x
  2. Step 2: Convert to fraction form
    1,459,731.36/2,189,714.16 = 513,314.40/x
  3. Step 3: Cross multiply
    1,459,731.36x = 2,189,714.16 × 513,314.40
  4. Step 4: Simplify right side
    1,459,731.36x = 1,124,011,810,211.90
  5. Step 5: Solve for x
    x = 1,124,011,810,211.90/1,459,731.36
  6. Step 6: Final answer
    x = 770,012.79

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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.