Home / 1,527,076.80-2,290,615.20-1,439,985.60

Finding the Fourth Proportional to 1,527,076.80, 2,290,615.20 and 1,439,985.60

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Solution

The fourth proportional to 1,527,076.80, 2,290,615.20 and 1,439,985.60 is: 2,159,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,076.80 : 2,290,615.20 = 1,439,985.60 : x
  2. Step 2: Convert to fraction form
    1,527,076.80/2,290,615.20 = 1,439,985.60/x
  3. Step 3: Cross multiply
    1,527,076.80x = 2,290,615.20 × 1,439,985.60
  4. Step 4: Simplify right side
    1,527,076.80x = 3,298,452,903,141.12
  5. Step 5: Solve for x
    x = 3,298,452,903,141.12/1,527,076.80
  6. Step 6: Final answer
    x = 2,159,978.40

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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.