Home / 1,563,165.30-2,157,394.66-900,748.28

Finding the Fourth Proportional to 1,563,165.30, 2,157,394.66 and 900,748.28

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Solution

The fourth proportional to 1,563,165.30, 2,157,394.66 and 900,748.28 is: 1,243,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,165.30 : 2,157,394.66 = 900,748.28 : x
  2. Step 2: Convert to fraction form
    1,563,165.30/2,157,394.66 = 900,748.28/x
  3. Step 3: Cross multiply
    1,563,165.30x = 2,157,394.66 × 900,748.28
  4. Step 4: Simplify right side
    1,563,165.30x = 1,943,269,532,417.80
  5. Step 5: Solve for x
    x = 1,943,269,532,417.80/1,563,165.30
  6. Step 6: Final answer
    x = 1,243,163.17

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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.