Home / 1,048,931.36-1,446,131.64-685,730.80

Finding the Fourth Proportional to 1,048,931.36, 1,446,131.64 and 685,730.80

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Solution

The fourth proportional to 1,048,931.36, 1,446,131.64 and 685,730.80 is: 945,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,931.36 : 1,446,131.64 = 685,730.80 : x
  2. Step 2: Convert to fraction form
    1,048,931.36/1,446,131.64 = 685,730.80/x
  3. Step 3: Cross multiply
    1,048,931.36x = 1,446,131.64 × 685,730.80
  4. Step 4: Simplify right side
    1,048,931.36x = 991,657,006,402.51
  5. Step 5: Solve for x
    x = 991,657,006,402.51/1,048,931.36
  6. Step 6: Final answer
    x = 945,397.42

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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.