Home / 1,403,246.40-2,102,450.40-653,755.20

Finding the Fourth Proportional to 1,403,246.40, 2,102,450.40 and 653,755.20

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Solution

The fourth proportional to 1,403,246.40, 2,102,450.40 and 653,755.20 is: 979,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,246.40 : 2,102,450.40 = 653,755.20 : x
  2. Step 2: Convert to fraction form
    1,403,246.40/2,102,450.40 = 653,755.20/x
  3. Step 3: Cross multiply
    1,403,246.40x = 2,102,450.40 × 653,755.20
  4. Step 4: Simplify right side
    1,403,246.40x = 1,374,487,881,742.08
  5. Step 5: Solve for x
    x = 1,374,487,881,742.08/1,403,246.40
  6. Step 6: Final answer
    x = 979,505.72

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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.