Home / 1,429,998.24-1,973,422.08-785,445.60

Finding the Fourth Proportional to 1,429,998.24, 1,973,422.08 and 785,445.60

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Solution

The fourth proportional to 1,429,998.24, 1,973,422.08 and 785,445.60 is: 1,083,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,998.24 : 1,973,422.08 = 785,445.60 : x
  2. Step 2: Convert to fraction form
    1,429,998.24/1,973,422.08 = 785,445.60/x
  3. Step 3: Cross multiply
    1,429,998.24x = 1,973,422.08 × 785,445.60
  4. Step 4: Simplify right side
    1,429,998.24x = 1,550,015,689,678.85
  5. Step 5: Solve for x
    x = 1,550,015,689,678.85/1,429,998.24
  6. Step 6: Final answer
    x = 1,083,928.39

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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.