Home / 1,625,574.42-2,243,194.02-900,379.80

Finding the Fourth Proportional to 1,625,574.42, 2,243,194.02 and 900,379.80

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Solution

The fourth proportional to 1,625,574.42, 2,243,194.02 and 900,379.80 is: 1,242,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,574.42 : 2,243,194.02 = 900,379.80 : x
  2. Step 2: Convert to fraction form
    1,625,574.42/2,243,194.02 = 900,379.80/x
  3. Step 3: Cross multiply
    1,625,574.42x = 2,243,194.02 × 900,379.80
  4. Step 4: Simplify right side
    1,625,574.42x = 2,019,726,583,088.80
  5. Step 5: Solve for x
    x = 2,019,726,583,088.80/1,625,574.42
  6. Step 6: Final answer
    x = 1,242,469.47

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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.