Home / 1,671,585.12-2,507,384.16-409,412.88

Finding the Fourth Proportional to 1,671,585.12, 2,507,384.16 and 409,412.88

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Solution

The fourth proportional to 1,671,585.12, 2,507,384.16 and 409,412.88 is: 614,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,585.12 : 2,507,384.16 = 409,412.88 : x
  2. Step 2: Convert to fraction form
    1,671,585.12/2,507,384.16 = 409,412.88/x
  3. Step 3: Cross multiply
    1,671,585.12x = 2,507,384.16 × 409,412.88
  4. Step 4: Simplify right side
    1,671,585.12x = 1,026,555,370,211.98
  5. Step 5: Solve for x
    x = 1,026,555,370,211.98/1,671,585.12
  6. Step 6: Final answer
    x = 614,120.91

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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.