Home / 1,030,509.96-1,422,186.30-571,669.80

Finding the Fourth Proportional to 1,030,509.96, 1,422,186.30 and 571,669.80

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Solution

The fourth proportional to 1,030,509.96, 1,422,186.30 and 571,669.80 is: 788,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,509.96 : 1,422,186.30 = 571,669.80 : x
  2. Step 2: Convert to fraction form
    1,030,509.96/1,422,186.30 = 571,669.80/x
  3. Step 3: Cross multiply
    1,030,509.96x = 1,422,186.30 × 571,669.80
  4. Step 4: Simplify right side
    1,030,509.96x = 813,020,957,683.74
  5. Step 5: Solve for x
    x = 813,020,957,683.74/1,030,509.96
  6. Step 6: Final answer
    x = 788,950.12

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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.