Home / 1,030,377.48-1,422,008.59-571,639.88

Finding the Fourth Proportional to 1,030,377.48, 1,422,008.59 and 571,639.88

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Solution

The fourth proportional to 1,030,377.48, 1,422,008.59 and 571,639.88 is: 788,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,377.48 : 1,422,008.59 = 571,639.88 : x
  2. Step 2: Convert to fraction form
    1,030,377.48/1,422,008.59 = 571,639.88/x
  3. Step 3: Cross multiply
    1,030,377.48x = 1,422,008.59 × 571,639.88
  4. Step 4: Simplify right side
    1,030,377.48x = 812,876,821,336.58
  5. Step 5: Solve for x
    x = 812,876,821,336.58/1,030,377.48
  6. Step 6: Final answer
    x = 788,911.67

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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.