Home / 1,030,379.48-1,422,011.34-571,641.88

Finding the Fourth Proportional to 1,030,379.48, 1,422,011.34 and 571,641.88

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Solution

The fourth proportional to 1,030,379.48, 1,422,011.34 and 571,641.88 is: 788,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,379.48 : 1,422,011.34 = 571,641.88 : x
  2. Step 2: Convert to fraction form
    1,030,379.48/1,422,011.34 = 571,641.88/x
  3. Step 3: Cross multiply
    1,030,379.48x = 1,422,011.34 × 571,641.88
  4. Step 4: Simplify right side
    1,030,379.48x = 812,881,235,778.92
  5. Step 5: Solve for x
    x = 812,881,235,778.92/1,030,379.48
  6. Step 6: Final answer
    x = 788,914.43

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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.