Home / 1,625,574.56-2,243,366.74-900,422.19

Finding the Fourth Proportional to 1,625,574.56, 2,243,366.74 and 900,422.19

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Solution

The fourth proportional to 1,625,574.56, 2,243,366.74 and 900,422.19 is: 1,242,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,574.56 : 2,243,366.74 = 900,422.19 : x
  2. Step 2: Convert to fraction form
    1,625,574.56/2,243,366.74 = 900,422.19/x
  3. Step 3: Cross multiply
    1,625,574.56x = 2,243,366.74 × 900,422.19
  4. Step 4: Simplify right side
    1,625,574.56x = 2,019,977,189,064.61
  5. Step 5: Solve for x
    x = 2,019,977,189,064.61/1,625,574.56
  6. Step 6: Final answer
    x = 1,242,623.53

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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.