Home / 1,423,040.40-2,130,374.52-888,942.60

Finding the Fourth Proportional to 1,423,040.40, 2,130,374.52 and 888,942.60

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Solution

The fourth proportional to 1,423,040.40, 2,130,374.52 and 888,942.60 is: 1,330,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,040.40 : 2,130,374.52 = 888,942.60 : x
  2. Step 2: Convert to fraction form
    1,423,040.40/2,130,374.52 = 888,942.60/x
  3. Step 3: Cross multiply
    1,423,040.40x = 2,130,374.52 × 888,942.60
  4. Step 4: Simplify right side
    1,423,040.40x = 1,893,780,664,782.55
  5. Step 5: Solve for x
    x = 1,893,780,664,782.55/1,423,040.40
  6. Step 6: Final answer
    x = 1,330,798.95

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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.