Home / 1,661,541.40-2,492,312.10-1,063,178.20

Finding the Fourth Proportional to 1,661,541.40, 2,492,312.10 and 1,063,178.20

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Solution

The fourth proportional to 1,661,541.40, 2,492,312.10 and 1,063,178.20 is: 1,594,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,541.40 : 2,492,312.10 = 1,063,178.20 : x
  2. Step 2: Convert to fraction form
    1,661,541.40/2,492,312.10 = 1,063,178.20/x
  3. Step 3: Cross multiply
    1,661,541.40x = 2,492,312.10 × 1,063,178.20
  4. Step 4: Simplify right side
    1,661,541.40x = 2,649,771,892,316.22
  5. Step 5: Solve for x
    x = 2,649,771,892,316.22/1,661,541.40
  6. Step 6: Final answer
    x = 1,594,767.30

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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.