Home / 1,155,329.12-1,732,326.63-356,396.15

Finding the Fourth Proportional to 1,155,329.12, 1,732,326.63 and 356,396.15

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Solution

The fourth proportional to 1,155,329.12, 1,732,326.63 and 356,396.15 is: 534,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,329.12 : 1,732,326.63 = 356,396.15 : x
  2. Step 2: Convert to fraction form
    1,155,329.12/1,732,326.63 = 356,396.15/x
  3. Step 3: Cross multiply
    1,155,329.12x = 1,732,326.63 × 356,396.15
  4. Step 4: Simplify right side
    1,155,329.12x = 617,394,541,474.48
  5. Step 5: Solve for x
    x = 617,394,541,474.48/1,155,329.12
  6. Step 6: Final answer
    x = 534,388.45

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1.5x scale

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.