Home / 1,181,345.95-1,772,386.62-423,193.95

Finding the Fourth Proportional to 1,181,345.95, 1,772,386.62 and 423,193.95

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Solution

The fourth proportional to 1,181,345.95, 1,772,386.62 and 423,193.95 is: 634,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,345.95 : 1,772,386.62 = 423,193.95 : x
  2. Step 2: Convert to fraction form
    1,181,345.95/1,772,386.62 = 423,193.95/x
  3. Step 3: Cross multiply
    1,181,345.95x = 1,772,386.62 × 423,193.95
  4. Step 4: Simplify right side
    1,181,345.95x = 750,063,293,057.97
  5. Step 5: Solve for x
    x = 750,063,293,057.97/1,181,345.95
  6. Step 6: Final answer
    x = 634,922.64

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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.