Home / 1,012,405.12-1,397,074.80-582,699.04

Finding the Fourth Proportional to 1,012,405.12, 1,397,074.80 and 582,699.04

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Solution

The fourth proportional to 1,012,405.12, 1,397,074.80 and 582,699.04 is: 804,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,405.12 : 1,397,074.80 = 582,699.04 : x
  2. Step 2: Convert to fraction form
    1,012,405.12/1,397,074.80 = 582,699.04/x
  3. Step 3: Cross multiply
    1,012,405.12x = 1,397,074.80 × 582,699.04
  4. Step 4: Simplify right side
    1,012,405.12x = 814,074,144,768.19
  5. Step 5: Solve for x
    x = 814,074,144,768.19/1,012,405.12
  6. Step 6: Final answer
    x = 804,099.20

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1.5x scale

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.