Home / 1,038,613.75-1,433,291.30-561,685.75

Finding the Fourth Proportional to 1,038,613.75, 1,433,291.30 and 561,685.75

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Solution

The fourth proportional to 1,038,613.75, 1,433,291.30 and 561,685.75 is: 775,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,613.75 : 1,433,291.30 = 561,685.75 : x
  2. Step 2: Convert to fraction form
    1,038,613.75/1,433,291.30 = 561,685.75/x
  3. Step 3: Cross multiply
    1,038,613.75x = 1,433,291.30 × 561,685.75
  4. Step 4: Simplify right side
    1,038,613.75x = 805,059,298,808.98
  5. Step 5: Solve for x
    x = 805,059,298,808.98/1,038,613.75
  6. Step 6: Final answer
    x = 775,128.67

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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.