Home / 1,420,969.40-2,131,454.10-973,071.80

Finding the Fourth Proportional to 1,420,969.40, 2,131,454.10 and 973,071.80

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Solution

The fourth proportional to 1,420,969.40, 2,131,454.10 and 973,071.80 is: 1,459,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,969.40 : 2,131,454.10 = 973,071.80 : x
  2. Step 2: Convert to fraction form
    1,420,969.40/2,131,454.10 = 973,071.80/x
  3. Step 3: Cross multiply
    1,420,969.40x = 2,131,454.10 × 973,071.80
  4. Step 4: Simplify right side
    1,420,969.40x = 2,074,057,877,704.38
  5. Step 5: Solve for x
    x = 2,074,057,877,704.38/1,420,969.40
  6. Step 6: Final answer
    x = 1,459,607.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.