Home / 1,408,870.25-1,944,240.95-805,271.21

Finding the Fourth Proportional to 1,408,870.25, 1,944,240.95 and 805,271.21

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Solution

The fourth proportional to 1,408,870.25, 1,944,240.95 and 805,271.21 is: 1,111,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,870.25 : 1,944,240.95 = 805,271.21 : x
  2. Step 2: Convert to fraction form
    1,408,870.25/1,944,240.95 = 805,271.21/x
  3. Step 3: Cross multiply
    1,408,870.25x = 1,944,240.95 × 805,271.21
  4. Step 4: Simplify right side
    1,408,870.25x = 1,565,641,262,338.05
  5. Step 5: Solve for x
    x = 1,565,641,262,338.05/1,408,870.25
  6. Step 6: Final answer
    x = 1,111,274.27

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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.