Home / 1,105,129.32-1,657,694.09-306,410.91

Finding the Fourth Proportional to 1,105,129.32, 1,657,694.09 and 306,410.91

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Solution

The fourth proportional to 1,105,129.32, 1,657,694.09 and 306,410.91 is: 459,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,129.32 : 1,657,694.09 = 306,410.91 : x
  2. Step 2: Convert to fraction form
    1,105,129.32/1,657,694.09 = 306,410.91/x
  3. Step 3: Cross multiply
    1,105,129.32x = 1,657,694.09 × 306,410.91
  4. Step 4: Simplify right side
    1,105,129.32x = 507,935,554,618.52
  5. Step 5: Solve for x
    x = 507,935,554,618.52/1,105,129.32
  6. Step 6: Final answer
    x = 459,616.40

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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.