Home / 1,275,413.52-1,912,455.99-476,037.66

Finding the Fourth Proportional to 1,275,413.52, 1,912,455.99 and 476,037.66

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Solution

The fourth proportional to 1,275,413.52, 1,912,455.99 and 476,037.66 is: 713,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,413.52 : 1,912,455.99 = 476,037.66 : x
  2. Step 2: Convert to fraction form
    1,275,413.52/1,912,455.99 = 476,037.66/x
  3. Step 3: Cross multiply
    1,275,413.52x = 1,912,455.99 × 476,037.66
  4. Step 4: Simplify right side
    1,275,413.52x = 910,401,074,332.58
  5. Step 5: Solve for x
    x = 910,401,074,332.58/1,275,413.52
  6. Step 6: Final answer
    x = 713,808.55

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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.