Home / 1,223,237.39-1,688,088.46-671,976.31

Finding the Fourth Proportional to 1,223,237.39, 1,688,088.46 and 671,976.31

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Solution

The fourth proportional to 1,223,237.39, 1,688,088.46 and 671,976.31 is: 927,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,237.39 : 1,688,088.46 = 671,976.31 : x
  2. Step 2: Convert to fraction form
    1,223,237.39/1,688,088.46 = 671,976.31/x
  3. Step 3: Cross multiply
    1,223,237.39x = 1,688,088.46 × 671,976.31
  4. Step 4: Simplify right side
    1,223,237.39x = 1,134,355,442,504.06
  5. Step 5: Solve for x
    x = 1,134,355,442,504.06/1,223,237.39
  6. Step 6: Final answer
    x = 927,338.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.