Home / 1,521,325.40-2,099,421.42-832,984.76

Finding the Fourth Proportional to 1,521,325.40, 2,099,421.42 and 832,984.76

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Solution

The fourth proportional to 1,521,325.40, 2,099,421.42 and 832,984.76 is: 1,149,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,325.40 : 2,099,421.42 = 832,984.76 : x
  2. Step 2: Convert to fraction form
    1,521,325.40/2,099,421.42 = 832,984.76/x
  3. Step 3: Cross multiply
    1,521,325.40x = 2,099,421.42 × 832,984.76
  4. Step 4: Simplify right side
    1,521,325.40x = 1,748,786,047,677.56
  5. Step 5: Solve for x
    x = 1,748,786,047,677.56/1,521,325.40
  6. Step 6: Final answer
    x = 1,149,514.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.