Home / 1,048,378.65-1,570,262.90-866,401.62

Finding the Fourth Proportional to 1,048,378.65, 1,570,262.90 and 866,401.62

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Solution

The fourth proportional to 1,048,378.65, 1,570,262.90 and 866,401.62 is: 1,297,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,378.65 : 1,570,262.90 = 866,401.62 : x
  2. Step 2: Convert to fraction form
    1,048,378.65/1,570,262.90 = 866,401.62/x
  3. Step 3: Cross multiply
    1,048,378.65x = 1,570,262.90 × 866,401.62
  4. Step 4: Simplify right side
    1,048,378.65x = 1,360,478,320,385.90
  5. Step 5: Solve for x
    x = 1,360,478,320,385.90/1,048,378.65
  6. Step 6: Final answer
    x = 1,297,697.47

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