Home / 867,007.40-1,300,511.10-717,416.60

Finding the Fourth Proportional to 867,007.40, 1,300,511.10 and 717,416.60

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Solution

The fourth proportional to 867,007.40, 1,300,511.10 and 717,416.60 is: 1,076,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,007.40 : 1,300,511.10 = 717,416.60 : x
  2. Step 2: Convert to fraction form
    867,007.40/1,300,511.10 = 717,416.60/x
  3. Step 3: Cross multiply
    867,007.40x = 1,300,511.10 × 717,416.60
  4. Step 4: Simplify right side
    867,007.40x = 933,008,251,624.26
  5. Step 5: Solve for x
    x = 933,008,251,624.26/867,007.40
  6. Step 6: Final answer
    x = 1,076,124.90

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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.