Home / 1,384,002.09-1,909,970.01-803,180.52

Finding the Fourth Proportional to 1,384,002.09, 1,909,970.01 and 803,180.52

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Solution

The fourth proportional to 1,384,002.09, 1,909,970.01 and 803,180.52 is: 1,108,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,002.09 : 1,909,970.01 = 803,180.52 : x
  2. Step 2: Convert to fraction form
    1,384,002.09/1,909,970.01 = 803,180.52/x
  3. Step 3: Cross multiply
    1,384,002.09x = 1,909,970.01 × 803,180.52
  4. Step 4: Simplify right side
    1,384,002.09x = 1,534,050,705,816.21
  5. Step 5: Solve for x
    x = 1,534,050,705,816.21/1,384,002.09
  6. Step 6: Final answer
    x = 1,108,416.47

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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.