Home / 1,043,762.76-1,439,400.78-681,070.68

Finding the Fourth Proportional to 1,043,762.76, 1,439,400.78 and 681,070.68

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Solution

The fourth proportional to 1,043,762.76, 1,439,400.78 and 681,070.68 is: 939,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,762.76 : 1,439,400.78 = 681,070.68 : x
  2. Step 2: Convert to fraction form
    1,043,762.76/1,439,400.78 = 681,070.68/x
  3. Step 3: Cross multiply
    1,043,762.76x = 1,439,400.78 × 681,070.68
  4. Step 4: Simplify right side
    1,043,762.76x = 980,333,668,027.13
  5. Step 5: Solve for x
    x = 980,333,668,027.13/1,043,762.76
  6. Step 6: Final answer
    x = 939,230.36

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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.