Home / 1,404,877.48-1,938,730.90-760,297.68

Finding the Fourth Proportional to 1,404,877.48, 1,938,730.90 and 760,297.68

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Solution

The fourth proportional to 1,404,877.48, 1,938,730.90 and 760,297.68 is: 1,049,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,877.48 : 1,938,730.90 = 760,297.68 : x
  2. Step 2: Convert to fraction form
    1,404,877.48/1,938,730.90 = 760,297.68/x
  3. Step 3: Cross multiply
    1,404,877.48x = 1,938,730.90 × 760,297.68
  4. Step 4: Simplify right side
    1,404,877.48x = 1,474,012,595,720.66
  5. Step 5: Solve for x
    x = 1,474,012,595,720.66/1,404,877.48
  6. Step 6: Final answer
    x = 1,049,210.78

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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.