Home / 1,625,671.40-2,243,398.43-900,503.91

Finding the Fourth Proportional to 1,625,671.40, 2,243,398.43 and 900,503.91

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Solution

The fourth proportional to 1,625,671.40, 2,243,398.43 and 900,503.91 is: 1,242,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,671.40 : 2,243,398.43 = 900,503.91 : x
  2. Step 2: Convert to fraction form
    1,625,671.40/2,243,398.43 = 900,503.91/x
  3. Step 3: Cross multiply
    1,625,671.40x = 2,243,398.43 × 900,503.91
  4. Step 4: Simplify right side
    1,625,671.40x = 2,020,189,060,154.12
  5. Step 5: Solve for x
    x = 2,020,189,060,154.12/1,625,671.40
  6. Step 6: Final answer
    x = 1,242,679.83

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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.