Home / 1,155,328.50-1,594,230.68-639,000.35

Finding the Fourth Proportional to 1,155,328.50, 1,594,230.68 and 639,000.35

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Solution

The fourth proportional to 1,155,328.50, 1,594,230.68 and 639,000.35 is: 881,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,328.50 : 1,594,230.68 = 639,000.35 : x
  2. Step 2: Convert to fraction form
    1,155,328.50/1,594,230.68 = 639,000.35/x
  3. Step 3: Cross multiply
    1,155,328.50x = 1,594,230.68 × 639,000.35
  4. Step 4: Simplify right side
    1,155,328.50x = 1,018,713,951,334.58
  5. Step 5: Solve for x
    x = 1,018,713,951,334.58/1,155,328.50
  6. Step 6: Final answer
    x = 881,752.64

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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.