Home / 972,976.37-1,458,280.08-688,747.47

Finding the Fourth Proportional to 972,976.37, 1,458,280.08 and 688,747.47

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Solution

The fourth proportional to 972,976.37, 1,458,280.08 and 688,747.47 is: 1,032,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,976.37 : 1,458,280.08 = 688,747.47 : x
  2. Step 2: Convert to fraction form
    972,976.37/1,458,280.08 = 688,747.47/x
  3. Step 3: Cross multiply
    972,976.37x = 1,458,280.08 × 688,747.47
  4. Step 4: Simplify right side
    972,976.37x = 1,004,386,715,651.40
  5. Step 5: Solve for x
    x = 1,004,386,715,651.40/972,976.37
  6. Step 6: Final answer
    x = 1,032,282.75

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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.