Home / 1,030,258.05-1,421,843.46-571,520.43

Finding the Fourth Proportional to 1,030,258.05, 1,421,843.46 and 571,520.43

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Solution

The fourth proportional to 1,030,258.05, 1,421,843.46 and 571,520.43 is: 788,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,258.05 : 1,421,843.46 = 571,520.43 : x
  2. Step 2: Convert to fraction form
    1,030,258.05/1,421,843.46 = 571,520.43/x
  3. Step 3: Cross multiply
    1,030,258.05x = 1,421,843.46 × 571,520.43
  4. Step 4: Simplify right side
    1,030,258.05x = 812,612,585,651.89
  5. Step 5: Solve for x
    x = 812,612,585,651.89/1,030,258.05
  6. Step 6: Final answer
    x = 788,746.65

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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.