Home / 1,394,920.80-2,091,862.80-553,298.40

Finding the Fourth Proportional to 1,394,920.80, 2,091,862.80 and 553,298.40

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Solution

The fourth proportional to 1,394,920.80, 2,091,862.80 and 553,298.40 is: 829,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,920.80 : 2,091,862.80 = 553,298.40 : x
  2. Step 2: Convert to fraction form
    1,394,920.80/2,091,862.80 = 553,298.40/x
  3. Step 3: Cross multiply
    1,394,920.80x = 2,091,862.80 × 553,298.40
  4. Step 4: Simplify right side
    1,394,920.80x = 1,157,424,340,259.52
  5. Step 5: Solve for x
    x = 1,157,424,340,259.52/1,394,920.80
  6. Step 6: Final answer
    x = 829,741.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.