Home / 1,181,103-1,630,009.74-671,969.40

Finding the Fourth Proportional to 1,181,103, 1,630,009.74 and 671,969.40

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Solution

The fourth proportional to 1,181,103, 1,630,009.74 and 671,969.40 is: 927,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,103 : 1,630,009.74 = 671,969.40 : x
  2. Step 2: Convert to fraction form
    1,181,103/1,630,009.74 = 671,969.40/x
  3. Step 3: Cross multiply
    1,181,103x = 1,630,009.74 × 671,969.40
  4. Step 4: Simplify right side
    1,181,103x = 1,095,316,666,981.96
  5. Step 5: Solve for x
    x = 1,095,316,666,981.96/1,181,103
  6. Step 6: Final answer
    x = 927,367.61

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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.