Home / 1,314,150.60-1,971,290.70-684,294.60

Finding the Fourth Proportional to 1,314,150.60, 1,971,290.70 and 684,294.60

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Solution

The fourth proportional to 1,314,150.60, 1,971,290.70 and 684,294.60 is: 1,026,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,150.60 : 1,971,290.70 = 684,294.60 : x
  2. Step 2: Convert to fraction form
    1,314,150.60/1,971,290.70 = 684,294.60/x
  3. Step 3: Cross multiply
    1,314,150.60x = 1,971,290.70 × 684,294.60
  4. Step 4: Simplify right side
    1,314,150.60x = 1,348,943,581,040.22
  5. Step 5: Solve for x
    x = 1,348,943,581,040.22/1,314,150.60
  6. Step 6: Final answer
    x = 1,026,475.64

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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.