Home / 1,429,637.36-1,972,822.20-785,142.32

Finding the Fourth Proportional to 1,429,637.36, 1,972,822.20 and 785,142.32

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Solution

The fourth proportional to 1,429,637.36, 1,972,822.20 and 785,142.32 is: 1,083,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,637.36 : 1,972,822.20 = 785,142.32 : x
  2. Step 2: Convert to fraction form
    1,429,637.36/1,972,822.20 = 785,142.32/x
  3. Step 3: Cross multiply
    1,429,637.36x = 1,972,822.20 × 785,142.32
  4. Step 4: Simplify right side
    1,429,637.36x = 1,548,946,199,055.50
  5. Step 5: Solve for x
    x = 1,548,946,199,055.50/1,429,637.36
  6. Step 6: Final answer
    x = 1,083,453.92

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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.