Home / 1,184,038.54-1,634,720.32-821,335.52

Finding the Fourth Proportional to 1,184,038.54, 1,634,720.32 and 821,335.52

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Solution

The fourth proportional to 1,184,038.54, 1,634,720.32 and 821,335.52 is: 1,133,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,038.54 : 1,634,720.32 = 821,335.52 : x
  2. Step 2: Convert to fraction form
    1,184,038.54/1,634,720.32 = 821,335.52/x
  3. Step 3: Cross multiply
    1,184,038.54x = 1,634,720.32 × 821,335.52
  4. Step 4: Simplify right side
    1,184,038.54x = 1,342,653,864,081.77
  5. Step 5: Solve for x
    x = 1,342,653,864,081.77/1,184,038.54
  6. Step 6: Final answer
    x = 1,133,961.28

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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.