Home / 1,064,844.10-1,471,039.40-921,355.03

Finding the Fourth Proportional to 1,064,844.10, 1,471,039.40 and 921,355.03

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Solution

The fourth proportional to 1,064,844.10, 1,471,039.40 and 921,355.03 is: 1,272,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,844.10 : 1,471,039.40 = 921,355.03 : x
  2. Step 2: Convert to fraction form
    1,064,844.10/1,471,039.40 = 921,355.03/x
  3. Step 3: Cross multiply
    1,064,844.10x = 1,471,039.40 × 921,355.03
  4. Step 4: Simplify right side
    1,064,844.10x = 1,355,349,538,556.21
  5. Step 5: Solve for x
    x = 1,355,349,538,556.21/1,064,844.10
  6. Step 6: Final answer
    x = 1,272,815.00

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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.