Home / 1,547,109.72-2,134,977.66-858,741.12

Finding the Fourth Proportional to 1,547,109.72, 2,134,977.66 and 858,741.12

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Solution

The fourth proportional to 1,547,109.72, 2,134,977.66 and 858,741.12 is: 1,185,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,109.72 : 2,134,977.66 = 858,741.12 : x
  2. Step 2: Convert to fraction form
    1,547,109.72/2,134,977.66 = 858,741.12/x
  3. Step 3: Cross multiply
    1,547,109.72x = 2,134,977.66 × 858,741.12
  4. Step 4: Simplify right side
    1,547,109.72x = 1,833,393,106,923.38
  5. Step 5: Solve for x
    x = 1,833,393,106,923.38/1,547,109.72
  6. Step 6: Final answer
    x = 1,185,044.01

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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.