Home / 1,140,800.68-1,574,317.38-631,511.56

Finding the Fourth Proportional to 1,140,800.68, 1,574,317.38 and 631,511.56

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Solution

The fourth proportional to 1,140,800.68, 1,574,317.38 and 631,511.56 is: 871,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,800.68 : 1,574,317.38 = 631,511.56 : x
  2. Step 2: Convert to fraction form
    1,140,800.68/1,574,317.38 = 631,511.56/x
  3. Step 3: Cross multiply
    1,140,800.68x = 1,574,317.38 × 631,511.56
  4. Step 4: Simplify right side
    1,140,800.68x = 994,199,624,578.91
  5. Step 5: Solve for x
    x = 994,199,624,578.91/1,140,800.68
  6. Step 6: Final answer
    x = 871,492.84

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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.