Home / 1,613,280.01-2,421,415.40-815,122.53

Finding the Fourth Proportional to 1,613,280.01, 2,421,415.40 and 815,122.53

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Solution

The fourth proportional to 1,613,280.01, 2,421,415.40 and 815,122.53 is: 1,223,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,280.01 : 2,421,415.40 = 815,122.53 : x
  2. Step 2: Convert to fraction form
    1,613,280.01/2,421,415.40 = 815,122.53/x
  3. Step 3: Cross multiply
    1,613,280.01x = 2,421,415.40 × 815,122.53
  4. Step 4: Simplify right side
    1,613,280.01x = 1,973,750,247,028.96
  5. Step 5: Solve for x
    x = 1,973,750,247,028.96/1,613,280.01
  6. Step 6: Final answer
    x = 1,223,439.35

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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.