Home / 1,547,272.60-2,320,908.90-1,211,349.40

Finding the Fourth Proportional to 1,547,272.60, 2,320,908.90 and 1,211,349.40

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Solution

The fourth proportional to 1,547,272.60, 2,320,908.90 and 1,211,349.40 is: 1,817,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,272.60 : 2,320,908.90 = 1,211,349.40 : x
  2. Step 2: Convert to fraction form
    1,547,272.60/2,320,908.90 = 1,211,349.40/x
  3. Step 3: Cross multiply
    1,547,272.60x = 2,320,908.90 × 1,211,349.40
  4. Step 4: Simplify right side
    1,547,272.60x = 2,811,431,603,469.66
  5. Step 5: Solve for x
    x = 2,811,431,603,469.66/1,547,272.60
  6. Step 6: Final answer
    x = 1,817,024.10

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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.