Home / 1,437,207.80-2,155,811.70-961,316.60

Finding the Fourth Proportional to 1,437,207.80, 2,155,811.70 and 961,316.60

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Solution

The fourth proportional to 1,437,207.80, 2,155,811.70 and 961,316.60 is: 1,441,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,207.80 : 2,155,811.70 = 961,316.60 : x
  2. Step 2: Convert to fraction form
    1,437,207.80/2,155,811.70 = 961,316.60/x
  3. Step 3: Cross multiply
    1,437,207.80x = 2,155,811.70 × 961,316.60
  4. Step 4: Simplify right side
    1,437,207.80x = 2,072,417,573,684.22
  5. Step 5: Solve for x
    x = 2,072,417,573,684.22/1,437,207.80
  6. Step 6: Final answer
    x = 1,441,974.90

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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.