Home / 1,188,750.51-1,640,475.71-679,463.82

Finding the Fourth Proportional to 1,188,750.51, 1,640,475.71 and 679,463.82

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Solution

The fourth proportional to 1,188,750.51, 1,640,475.71 and 679,463.82 is: 937,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,750.51 : 1,640,475.71 = 679,463.82 : x
  2. Step 2: Convert to fraction form
    1,188,750.51/1,640,475.71 = 679,463.82/x
  3. Step 3: Cross multiply
    1,188,750.51x = 1,640,475.71 × 679,463.82
  4. Step 4: Simplify right side
    1,188,750.51x = 1,114,643,892,533.81
  5. Step 5: Solve for x
    x = 1,114,643,892,533.81/1,188,750.51
  6. Step 6: Final answer
    x = 937,660.08

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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.