Home / 1,276,531.04-1,915,124.64-477,824

Finding the Fourth Proportional to 1,276,531.04, 1,915,124.64 and 477,824

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Solution

The fourth proportional to 1,276,531.04, 1,915,124.64 and 477,824 is: 716,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,531.04 : 1,915,124.64 = 477,824 : x
  2. Step 2: Convert to fraction form
    1,276,531.04/1,915,124.64 = 477,824/x
  3. Step 3: Cross multiply
    1,276,531.04x = 1,915,124.64 × 477,824
  4. Step 4: Simplify right side
    1,276,531.04x = 915,092,515,983.36
  5. Step 5: Solve for x
    x = 915,092,515,983.36/1,276,531.04
  6. Step 6: Final answer
    x = 716,858.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.