Home / 1,262,603.20-1,740,579.84-778,842.24

Finding the Fourth Proportional to 1,262,603.20, 1,740,579.84 and 778,842.24

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Solution

The fourth proportional to 1,262,603.20, 1,740,579.84 and 778,842.24 is: 1,073,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,603.20 : 1,740,579.84 = 778,842.24 : x
  2. Step 2: Convert to fraction form
    1,262,603.20/1,740,579.84 = 778,842.24/x
  3. Step 3: Cross multiply
    1,262,603.20x = 1,740,579.84 × 778,842.24
  4. Step 4: Simplify right side
    1,262,603.20x = 1,355,637,101,484.44
  5. Step 5: Solve for x
    x = 1,355,637,101,484.44/1,262,603.20
  6. Step 6: Final answer
    x = 1,073,684.20

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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.