Home / 1,475,702.20-2,211,636.02-665,491.60

Finding the Fourth Proportional to 1,475,702.20, 2,211,636.02 and 665,491.60

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Solution

The fourth proportional to 1,475,702.20, 2,211,636.02 and 665,491.60 is: 997,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,702.20 : 2,211,636.02 = 665,491.60 : x
  2. Step 2: Convert to fraction form
    1,475,702.20/2,211,636.02 = 665,491.60/x
  3. Step 3: Cross multiply
    1,475,702.20x = 2,211,636.02 × 665,491.60
  4. Step 4: Simplify right side
    1,475,702.20x = 1,471,825,189,702.07
  5. Step 5: Solve for x
    x = 1,471,825,189,702.07/1,475,702.20
  6. Step 6: Final answer
    x = 997,372.77

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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.