Home / 1,138,721.45-1,570,417.67-944,822.03

Finding the Fourth Proportional to 1,138,721.45, 1,570,417.67 and 944,822.03

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Solution

The fourth proportional to 1,138,721.45, 1,570,417.67 and 944,822.03 is: 1,303,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,721.45 : 1,570,417.67 = 944,822.03 : x
  2. Step 2: Convert to fraction form
    1,138,721.45/1,570,417.67 = 944,822.03/x
  3. Step 3: Cross multiply
    1,138,721.45x = 1,570,417.67 × 944,822.03
  4. Step 4: Simplify right side
    1,138,721.45x = 1,483,765,205,427.24
  5. Step 5: Solve for x
    x = 1,483,765,205,427.24/1,138,721.45
  6. Step 6: Final answer
    x = 1,303,009.80

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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.