Home / 1,475,006.79-2,212,969.47-528,385.71

Finding the Fourth Proportional to 1,475,006.79, 2,212,969.47 and 528,385.71

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Solution

The fourth proportional to 1,475,006.79, 2,212,969.47 and 528,385.71 is: 792,743.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,006.79 : 2,212,969.47 = 528,385.71 : x
  2. Step 2: Convert to fraction form
    1,475,006.79/2,212,969.47 = 528,385.71/x
  3. Step 3: Cross multiply
    1,475,006.79x = 2,212,969.47 × 528,385.71
  4. Step 4: Simplify right side
    1,475,006.79x = 1,169,301,444,614.27
  5. Step 5: Solve for x
    x = 1,169,301,444,614.27/1,475,006.79
  6. Step 6: Final answer
    x = 792,743.09

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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.