Home / 1,429,752.24-1,971,964.80-971,220.36

Finding the Fourth Proportional to 1,429,752.24, 1,971,964.80 and 971,220.36

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Solution

The fourth proportional to 1,429,752.24, 1,971,964.80 and 971,220.36 is: 1,339,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,752.24 : 1,971,964.80 = 971,220.36 : x
  2. Step 2: Convert to fraction form
    1,429,752.24/1,971,964.80 = 971,220.36/x
  3. Step 3: Cross multiply
    1,429,752.24x = 1,971,964.80 × 971,220.36
  4. Step 4: Simplify right side
    1,429,752.24x = 1,915,212,362,963.33
  5. Step 5: Solve for x
    x = 1,915,212,362,963.33/1,429,752.24
  6. Step 6: Final answer
    x = 1,339,541.43

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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.