Home / 1,021,394.10-1,532,419.20-452,555.40

Finding the Fourth Proportional to 1,021,394.10, 1,532,419.20 and 452,555.40

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Solution

The fourth proportional to 1,021,394.10, 1,532,419.20 and 452,555.40 is: 678,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,394.10 : 1,532,419.20 = 452,555.40 : x
  2. Step 2: Convert to fraction form
    1,021,394.10/1,532,419.20 = 452,555.40/x
  3. Step 3: Cross multiply
    1,021,394.10x = 1,532,419.20 × 452,555.40
  4. Step 4: Simplify right side
    1,021,394.10x = 693,504,584,023.68
  5. Step 5: Solve for x
    x = 693,504,584,023.68/1,021,394.10
  6. Step 6: Final answer
    x = 678,978.45

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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.