Home / 1,320,448.96-1,822,263.24-747,477.28

Finding the Fourth Proportional to 1,320,448.96, 1,822,263.24 and 747,477.28

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Solution

The fourth proportional to 1,320,448.96, 1,822,263.24 and 747,477.28 is: 1,031,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,448.96 : 1,822,263.24 = 747,477.28 : x
  2. Step 2: Convert to fraction form
    1,320,448.96/1,822,263.24 = 747,477.28/x
  3. Step 3: Cross multiply
    1,320,448.96x = 1,822,263.24 × 747,477.28
  4. Step 4: Simplify right side
    1,320,448.96x = 1,362,100,370,079.19
  5. Step 5: Solve for x
    x = 1,362,100,370,079.19/1,320,448.96
  6. Step 6: Final answer
    x = 1,031,543.37

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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.