Home / 1,000,076.90-1,500,206.49-325,985.18

Finding the Fourth Proportional to 1,000,076.90, 1,500,206.49 and 325,985.18

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Solution

The fourth proportional to 1,000,076.90, 1,500,206.49 and 325,985.18 is: 489,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,076.90 : 1,500,206.49 = 325,985.18 : x
  2. Step 2: Convert to fraction form
    1,000,076.90/1,500,206.49 = 325,985.18/x
  3. Step 3: Cross multiply
    1,000,076.90x = 1,500,206.49 × 325,985.18
  4. Step 4: Simplify right side
    1,000,076.90x = 489,045,075,178.79
  5. Step 5: Solve for x
    x = 489,045,075,178.79/1,000,076.90
  6. Step 6: Final answer
    x = 489,007.47

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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.