Home / 1,129,792.22-1,559,125.50-620,494.52

Finding the Fourth Proportional to 1,129,792.22, 1,559,125.50 and 620,494.52

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Solution

The fourth proportional to 1,129,792.22, 1,559,125.50 and 620,494.52 is: 856,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,792.22 : 1,559,125.50 = 620,494.52 : x
  2. Step 2: Convert to fraction form
    1,129,792.22/1,559,125.50 = 620,494.52/x
  3. Step 3: Cross multiply
    1,129,792.22x = 1,559,125.50 × 620,494.52
  4. Step 4: Simplify right side
    1,129,792.22x = 967,428,828,742.26
  5. Step 5: Solve for x
    x = 967,428,828,742.26/1,129,792.22
  6. Step 6: Final answer
    x = 856,289.16

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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.