Home / 1,404,801.91-1,938,631.53-760,221.93

Finding the Fourth Proportional to 1,404,801.91, 1,938,631.53 and 760,221.93

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Solution

The fourth proportional to 1,404,801.91, 1,938,631.53 and 760,221.93 is: 1,049,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,801.91 : 1,938,631.53 = 760,221.93 : x
  2. Step 2: Convert to fraction form
    1,404,801.91/1,938,631.53 = 760,221.93/x
  3. Step 3: Cross multiply
    1,404,801.91x = 1,938,631.53 × 760,221.93
  4. Step 4: Simplify right side
    1,404,801.91x = 1,473,790,203,295.45
  5. Step 5: Solve for x
    x = 1,473,790,203,295.45/1,404,801.91
  6. Step 6: Final answer
    x = 1,049,108.91

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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.