Home / 1,315,693.80-1,974,462.30-843,527.40

Finding the Fourth Proportional to 1,315,693.80, 1,974,462.30 and 843,527.40

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Solution

The fourth proportional to 1,315,693.80, 1,974,462.30 and 843,527.40 is: 1,265,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,693.80 : 1,974,462.30 = 843,527.40 : x
  2. Step 2: Convert to fraction form
    1,315,693.80/1,974,462.30 = 843,527.40/x
  3. Step 3: Cross multiply
    1,315,693.80x = 1,974,462.30 × 843,527.40
  4. Step 4: Simplify right side
    1,315,693.80x = 1,665,513,050,317.02
  5. Step 5: Solve for x
    x = 1,665,513,050,317.02/1,315,693.80
  6. Step 6: Final answer
    x = 1,265,881.96

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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.