Home / 1,264,670.40-1,745,290.08-720,888.24

Finding the Fourth Proportional to 1,264,670.40, 1,745,290.08 and 720,888.24

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Solution

The fourth proportional to 1,264,670.40, 1,745,290.08 and 720,888.24 is: 994,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,670.40 : 1,745,290.08 = 720,888.24 : x
  2. Step 2: Convert to fraction form
    1,264,670.40/1,745,290.08 = 720,888.24/x
  3. Step 3: Cross multiply
    1,264,670.40x = 1,745,290.08 × 720,888.24
  4. Step 4: Simplify right side
    1,264,670.40x = 1,258,159,094,060.66
  5. Step 5: Solve for x
    x = 1,258,159,094,060.66/1,264,670.40
  6. Step 6: Final answer
    x = 994,851.38

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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.