Home / 1,487,283.86-2,230,978.72-476,274.46

Finding the Fourth Proportional to 1,487,283.86, 2,230,978.72 and 476,274.46

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Solution

The fourth proportional to 1,487,283.86, 2,230,978.72 and 476,274.46 is: 714,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,283.86 : 2,230,978.72 = 476,274.46 : x
  2. Step 2: Convert to fraction form
    1,487,283.86/2,230,978.72 = 476,274.46/x
  3. Step 3: Cross multiply
    1,487,283.86x = 2,230,978.72 × 476,274.46
  4. Step 4: Simplify right side
    1,487,283.86x = 1,062,558,182,758.12
  5. Step 5: Solve for x
    x = 1,062,558,182,758.12/1,487,283.86
  6. Step 6: Final answer
    x = 714,428.64

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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.