Home / 1,408,298.13-1,943,417.21-804,647.25

Finding the Fourth Proportional to 1,408,298.13, 1,943,417.21 and 804,647.25

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Solution

The fourth proportional to 1,408,298.13, 1,943,417.21 and 804,647.25 is: 1,110,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,298.13 : 1,943,417.21 = 804,647.25 : x
  2. Step 2: Convert to fraction form
    1,408,298.13/1,943,417.21 = 804,647.25/x
  3. Step 3: Cross multiply
    1,408,298.13x = 1,943,417.21 × 804,647.25
  4. Step 4: Simplify right side
    1,408,298.13x = 1,563,765,309,605.94
  5. Step 5: Solve for x
    x = 1,563,765,309,605.94/1,408,298.13
  6. Step 6: Final answer
    x = 1,110,393.66

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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.