Home / 1,017,438.60-1,526,376.60-307,538.40

Finding the Fourth Proportional to 1,017,438.60, 1,526,376.60 and 307,538.40

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Solution

The fourth proportional to 1,017,438.60, 1,526,376.60 and 307,538.40 is: 461,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,438.60 : 1,526,376.60 = 307,538.40 : x
  2. Step 2: Convert to fraction form
    1,017,438.60/1,526,376.60 = 307,538.40/x
  3. Step 3: Cross multiply
    1,017,438.60x = 1,526,376.60 × 307,538.40
  4. Step 4: Simplify right side
    1,017,438.60x = 469,419,417,361.44
  5. Step 5: Solve for x
    x = 469,419,417,361.44/1,017,438.60
  6. Step 6: Final answer
    x = 461,373.71

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1.5x scale

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.