Home / 1,404,518.26-1,938,221.40-759,924.32

Finding the Fourth Proportional to 1,404,518.26, 1,938,221.40 and 759,924.32

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Solution

The fourth proportional to 1,404,518.26, 1,938,221.40 and 759,924.32 is: 1,048,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,518.26 : 1,938,221.40 = 759,924.32 : x
  2. Step 2: Convert to fraction form
    1,404,518.26/1,938,221.40 = 759,924.32/x
  3. Step 3: Cross multiply
    1,404,518.26x = 1,938,221.40 × 759,924.32
  4. Step 4: Simplify right side
    1,404,518.26x = 1,472,901,579,404.45
  5. Step 5: Solve for x
    x = 1,472,901,579,404.45/1,404,518.26
  6. Step 6: Final answer
    x = 1,048,688.10

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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.