Home / 1,030,256.06-1,421,840.69-571,518.43

Finding the Fourth Proportional to 1,030,256.06, 1,421,840.69 and 571,518.43

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Solution

The fourth proportional to 1,030,256.06, 1,421,840.69 and 571,518.43 is: 788,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,256.06 : 1,421,840.69 = 571,518.43 : x
  2. Step 2: Convert to fraction form
    1,030,256.06/1,421,840.69 = 571,518.43/x
  3. Step 3: Cross multiply
    1,030,256.06x = 1,421,840.69 × 571,518.43
  4. Step 4: Simplify right side
    1,030,256.06x = 812,608,158,858.92
  5. Step 5: Solve for x
    x = 812,608,158,858.92/1,030,256.06
  6. Step 6: Final answer
    x = 788,743.88

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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.