Home / 1,139,388.88-1,571,881.74-655,838.32

Finding the Fourth Proportional to 1,139,388.88, 1,571,881.74 and 655,838.32

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Solution

The fourth proportional to 1,139,388.88, 1,571,881.74 and 655,838.32 is: 904,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,388.88 : 1,571,881.74 = 655,838.32 : x
  2. Step 2: Convert to fraction form
    1,139,388.88/1,571,881.74 = 655,838.32/x
  3. Step 3: Cross multiply
    1,139,388.88x = 1,571,881.74 × 655,838.32
  4. Step 4: Simplify right side
    1,139,388.88x = 1,030,900,279,600.28
  5. Step 5: Solve for x
    x = 1,030,900,279,600.28/1,139,388.88
  6. Step 6: Final answer
    x = 904,783.52

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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.