Home / 1,438,862.80-1,985,631.06-794,283.40

Finding the Fourth Proportional to 1,438,862.80, 1,985,631.06 and 794,283.40

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Solution

The fourth proportional to 1,438,862.80, 1,985,631.06 and 794,283.40 is: 1,096,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,862.80 : 1,985,631.06 = 794,283.40 : x
  2. Step 2: Convert to fraction form
    1,438,862.80/1,985,631.06 = 794,283.40/x
  3. Step 3: Cross multiply
    1,438,862.80x = 1,985,631.06 × 794,283.40
  4. Step 4: Simplify right side
    1,438,862.80x = 1,577,153,789,482.40
  5. Step 5: Solve for x
    x = 1,577,153,789,482.40/1,438,862.80
  6. Step 6: Final answer
    x = 1,096,111.31

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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.