Home / 1,030,336.44-1,421,728.86-571,445.52

Finding the Fourth Proportional to 1,030,336.44, 1,421,728.86 and 571,445.52

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Solution

The fourth proportional to 1,030,336.44, 1,421,728.86 and 571,445.52 is: 788,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,336.44 : 1,421,728.86 = 571,445.52 : x
  2. Step 2: Convert to fraction form
    1,030,336.44/1,421,728.86 = 571,445.52/x
  3. Step 3: Cross multiply
    1,030,336.44x = 1,421,728.86 × 571,445.52
  4. Step 4: Simplify right side
    1,030,336.44x = 812,440,587,701.71
  5. Step 5: Solve for x
    x = 812,440,587,701.71/1,030,336.44
  6. Step 6: Final answer
    x = 788,519.71

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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.