Home / 1,421,258.24-1,961,536.40-904,847.17

Finding the Fourth Proportional to 1,421,258.24, 1,961,536.40 and 904,847.17

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Solution

The fourth proportional to 1,421,258.24, 1,961,536.40 and 904,847.17 is: 1,248,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,258.24 : 1,961,536.40 = 904,847.17 : x
  2. Step 2: Convert to fraction form
    1,421,258.24/1,961,536.40 = 904,847.17/x
  3. Step 3: Cross multiply
    1,421,258.24x = 1,961,536.40 × 904,847.17
  4. Step 4: Simplify right side
    1,421,258.24x = 1,774,890,660,391.99
  5. Step 5: Solve for x
    x = 1,774,890,660,391.99/1,421,258.24
  6. Step 6: Final answer
    x = 1,248,816.44

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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.