Home / 1,235,005.86-1,852,249.59-348,334.50

Finding the Fourth Proportional to 1,235,005.86, 1,852,249.59 and 348,334.50

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Solution

The fourth proportional to 1,235,005.86, 1,852,249.59 and 348,334.50 is: 522,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,005.86 : 1,852,249.59 = 348,334.50 : x
  2. Step 2: Convert to fraction form
    1,235,005.86/1,852,249.59 = 348,334.50/x
  3. Step 3: Cross multiply
    1,235,005.86x = 1,852,249.59 × 348,334.50
  4. Step 4: Simplify right side
    1,235,005.86x = 645,202,434,807.86
  5. Step 5: Solve for x
    x = 645,202,434,807.86/1,235,005.86
  6. Step 6: Final answer
    x = 522,428.64

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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.