Home / 1,880,985.78-2,595,775.64-1,021,552.20

Finding the Fourth Proportional to 1,880,985.78, 2,595,775.64 and 1,021,552.20

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Solution

The fourth proportional to 1,880,985.78, 2,595,775.64 and 1,021,552.20 is: 1,409,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,985.78 : 2,595,775.64 = 1,021,552.20 : x
  2. Step 2: Convert to fraction form
    1,880,985.78/2,595,775.64 = 1,021,552.20/x
  3. Step 3: Cross multiply
    1,880,985.78x = 2,595,775.64 × 1,021,552.20
  4. Step 4: Simplify right side
    1,880,985.78x = 2,651,720,310,640.65
  5. Step 5: Solve for x
    x = 2,651,720,310,640.65/1,880,985.78
  6. Step 6: Final answer
    x = 1,409,750.32

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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.