Home / 945,643.60-1,418,465.40-734,136.40

Finding the Fourth Proportional to 945,643.60, 1,418,465.40 and 734,136.40

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Solution

The fourth proportional to 945,643.60, 1,418,465.40 and 734,136.40 is: 1,101,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,643.60 : 1,418,465.40 = 734,136.40 : x
  2. Step 2: Convert to fraction form
    945,643.60/1,418,465.40 = 734,136.40/x
  3. Step 3: Cross multiply
    945,643.60x = 1,418,465.40 × 734,136.40
  4. Step 4: Simplify right side
    945,643.60x = 1,041,347,082,280.56
  5. Step 5: Solve for x
    x = 1,041,347,082,280.56/945,643.60
  6. Step 6: Final answer
    x = 1,101,204.60

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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.