Home / 1,140,824.20-1,574,349.06-631,515.64

Finding the Fourth Proportional to 1,140,824.20, 1,574,349.06 and 631,515.64

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Solution

The fourth proportional to 1,140,824.20, 1,574,349.06 and 631,515.64 is: 871,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,824.20 : 1,574,349.06 = 631,515.64 : x
  2. Step 2: Convert to fraction form
    1,140,824.20/1,574,349.06 = 631,515.64/x
  3. Step 3: Cross multiply
    1,140,824.20x = 1,574,349.06 × 631,515.64
  4. Step 4: Simplify right side
    1,140,824.20x = 994,226,054,209.30
  5. Step 5: Solve for x
    x = 994,226,054,209.30/1,140,824.20
  6. Step 6: Final answer
    x = 871,498.04

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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.