Home / 1,105,418.75-1,658,127.65-306,700.16

Finding the Fourth Proportional to 1,105,418.75, 1,658,127.65 and 306,700.16

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Solution

The fourth proportional to 1,105,418.75, 1,658,127.65 and 306,700.16 is: 460,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,418.75 : 1,658,127.65 = 306,700.16 : x
  2. Step 2: Convert to fraction form
    1,105,418.75/1,658,127.65 = 306,700.16/x
  3. Step 3: Cross multiply
    1,105,418.75x = 1,658,127.65 × 306,700.16
  4. Step 4: Simplify right side
    1,105,418.75x = 508,548,005,731.29
  5. Step 5: Solve for x
    x = 508,548,005,731.29/1,105,418.75
  6. Step 6: Final answer
    x = 460,050.10

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Double scale
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1.5x scale

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.