Home / 1,210,083.70-1,815,140.13-368,642.74

Finding the Fourth Proportional to 1,210,083.70, 1,815,140.13 and 368,642.74

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Solution

The fourth proportional to 1,210,083.70, 1,815,140.13 and 368,642.74 is: 552,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,083.70 : 1,815,140.13 = 368,642.74 : x
  2. Step 2: Convert to fraction form
    1,210,083.70/1,815,140.13 = 368,642.74/x
  3. Step 3: Cross multiply
    1,210,083.70x = 1,815,140.13 × 368,642.74
  4. Step 4: Simplify right side
    1,210,083.70x = 669,138,220,088.24
  5. Step 5: Solve for x
    x = 669,138,220,088.24/1,210,083.70
  6. Step 6: Final answer
    x = 552,968.54

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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.