Home / 1,078,458.36-1,617,688.08-368,493.36

Finding the Fourth Proportional to 1,078,458.36, 1,617,688.08 and 368,493.36

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Solution

The fourth proportional to 1,078,458.36, 1,617,688.08 and 368,493.36 is: 552,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,458.36 : 1,617,688.08 = 368,493.36 : x
  2. Step 2: Convert to fraction form
    1,078,458.36/1,617,688.08 = 368,493.36/x
  3. Step 3: Cross multiply
    1,078,458.36x = 1,617,688.08 × 368,493.36
  4. Step 4: Simplify right side
    1,078,458.36x = 596,107,316,031.15
  5. Step 5: Solve for x
    x = 596,107,316,031.15/1,078,458.36
  6. Step 6: Final answer
    x = 552,740.22

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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.