Home / 1,048,381.20-1,570,266.72-866,404.19

Finding the Fourth Proportional to 1,048,381.20, 1,570,266.72 and 866,404.19

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Solution

The fourth proportional to 1,048,381.20, 1,570,266.72 and 866,404.19 is: 1,297,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,381.20 : 1,570,266.72 = 866,404.19 : x
  2. Step 2: Convert to fraction form
    1,048,381.20/1,570,266.72 = 866,404.19/x
  3. Step 3: Cross multiply
    1,048,381.20x = 1,570,266.72 × 866,404.19
  4. Step 4: Simplify right side
    1,048,381.20x = 1,360,485,657,774.22
  5. Step 5: Solve for x
    x = 1,360,485,657,774.22/1,048,381.20
  6. Step 6: Final answer
    x = 1,297,701.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.