Home / 1,404,792.66-1,938,618.76-760,212.68

Finding the Fourth Proportional to 1,404,792.66, 1,938,618.76 and 760,212.68

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Solution

The fourth proportional to 1,404,792.66, 1,938,618.76 and 760,212.68 is: 1,049,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,792.66 : 1,938,618.76 = 760,212.68 : x
  2. Step 2: Convert to fraction form
    1,404,792.66/1,938,618.76 = 760,212.68/x
  3. Step 3: Cross multiply
    1,404,792.66x = 1,938,618.76 × 760,212.68
  4. Step 4: Simplify right side
    1,404,792.66x = 1,473,762,565,983.89
  5. Step 5: Solve for x
    x = 1,473,762,565,983.89/1,404,792.66
  6. Step 6: Final answer
    x = 1,049,096.15

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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.