Home / 1,126,289.81-1,689,416.81-273,368.50

Finding the Fourth Proportional to 1,126,289.81, 1,689,416.81 and 273,368.50

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Solution

The fourth proportional to 1,126,289.81, 1,689,416.81 and 273,368.50 is: 410,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,289.81 : 1,689,416.81 = 273,368.50 : x
  2. Step 2: Convert to fraction form
    1,126,289.81/1,689,416.81 = 273,368.50/x
  3. Step 3: Cross multiply
    1,126,289.81x = 1,689,416.81 × 273,368.50
  4. Step 4: Simplify right side
    1,126,289.81x = 461,833,345,699.90
  5. Step 5: Solve for x
    x = 461,833,345,699.90/1,126,289.81
  6. Step 6: Final answer
    x = 410,048.41

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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.