Home / 1,210,288.64-1,815,431.13-368,840.39

Finding the Fourth Proportional to 1,210,288.64, 1,815,431.13 and 368,840.39

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Solution

The fourth proportional to 1,210,288.64, 1,815,431.13 and 368,840.39 is: 553,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,288.64 : 1,815,431.13 = 368,840.39 : x
  2. Step 2: Convert to fraction form
    1,210,288.64/1,815,431.13 = 368,840.39/x
  3. Step 3: Cross multiply
    1,210,288.64x = 1,815,431.13 × 368,840.39
  4. Step 4: Simplify right side
    1,210,288.64x = 669,604,316,930.19
  5. Step 5: Solve for x
    x = 669,604,316,930.19/1,210,288.64
  6. Step 6: Final answer
    x = 553,260.02

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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.