Home / 1,080,201.48-1,490,632.38-621,281.40

Finding the Fourth Proportional to 1,080,201.48, 1,490,632.38 and 621,281.40

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Solution

The fourth proportional to 1,080,201.48, 1,490,632.38 and 621,281.40 is: 857,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,201.48 : 1,490,632.38 = 621,281.40 : x
  2. Step 2: Convert to fraction form
    1,080,201.48/1,490,632.38 = 621,281.40/x
  3. Step 3: Cross multiply
    1,080,201.48x = 1,490,632.38 × 621,281.40
  4. Step 4: Simplify right side
    1,080,201.48x = 926,102,171,931.73
  5. Step 5: Solve for x
    x = 926,102,171,931.73/1,080,201.48
  6. Step 6: Final answer
    x = 857,342.07

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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.