Home / 1,547,017.75-2,134,851.27-858,649.37

Finding the Fourth Proportional to 1,547,017.75, 2,134,851.27 and 858,649.37

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Solution

The fourth proportional to 1,547,017.75, 2,134,851.27 and 858,649.37 is: 1,184,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,017.75 : 2,134,851.27 = 858,649.37 : x
  2. Step 2: Convert to fraction form
    1,547,017.75/2,134,851.27 = 858,649.37/x
  3. Step 3: Cross multiply
    1,547,017.75x = 2,134,851.27 × 858,649.37
  4. Step 4: Simplify right side
    1,547,017.75x = 1,833,088,698,029.20
  5. Step 5: Solve for x
    x = 1,833,088,698,029.20/1,547,017.75
  6. Step 6: Final answer
    x = 1,184,917.69

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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.