Home / 1,547,064.31-2,134,721.14-858,741.43

Finding the Fourth Proportional to 1,547,064.31, 2,134,721.14 and 858,741.43

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Solution

The fourth proportional to 1,547,064.31, 2,134,721.14 and 858,741.43 is: 1,184,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,064.31 : 2,134,721.14 = 858,741.43 : x
  2. Step 2: Convert to fraction form
    1,547,064.31/2,134,721.14 = 858,741.43/x
  3. Step 3: Cross multiply
    1,547,064.31x = 2,134,721.14 × 858,741.43
  4. Step 4: Simplify right side
    1,547,064.31x = 1,833,173,473,741.22
  5. Step 5: Solve for x
    x = 1,833,173,473,741.22/1,547,064.31
  6. Step 6: Final answer
    x = 1,184,936.83

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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.