Home / 1,069,235.80-1,605,408.90-804,851.80

Finding the Fourth Proportional to 1,069,235.80, 1,605,408.90 and 804,851.80

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Solution

The fourth proportional to 1,069,235.80, 1,605,408.90 and 804,851.80 is: 1,208,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,235.80 : 1,605,408.90 = 804,851.80 : x
  2. Step 2: Convert to fraction form
    1,069,235.80/1,605,408.90 = 804,851.80/x
  3. Step 3: Cross multiply
    1,069,235.80x = 1,605,408.90 × 804,851.80
  4. Step 4: Simplify right side
    1,069,235.80x = 1,292,116,242,901.02
  5. Step 5: Solve for x
    x = 1,292,116,242,901.02/1,069,235.80
  6. Step 6: Final answer
    x = 1,208,448.35

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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.