Home / 1,416,036.90-1,954,125.09-771,455.10

Finding the Fourth Proportional to 1,416,036.90, 1,954,125.09 and 771,455.10

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Solution

The fourth proportional to 1,416,036.90, 1,954,125.09 and 771,455.10 is: 1,064,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,036.90 : 1,954,125.09 = 771,455.10 : x
  2. Step 2: Convert to fraction form
    1,416,036.90/1,954,125.09 = 771,455.10/x
  3. Step 3: Cross multiply
    1,416,036.90x = 1,954,125.09 × 771,455.10
  4. Step 4: Simplify right side
    1,416,036.90x = 1,507,519,766,718.46
  5. Step 5: Solve for x
    x = 1,507,519,766,718.46/1,416,036.90
  6. Step 6: Final answer
    x = 1,064,604.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.