Home / 1,376,580.72-2,064,871.08-430,026.06

Finding the Fourth Proportional to 1,376,580.72, 2,064,871.08 and 430,026.06

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Solution

The fourth proportional to 1,376,580.72, 2,064,871.08 and 430,026.06 is: 645,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,580.72 : 2,064,871.08 = 430,026.06 : x
  2. Step 2: Convert to fraction form
    1,376,580.72/2,064,871.08 = 430,026.06/x
  3. Step 3: Cross multiply
    1,376,580.72x = 2,064,871.08 × 430,026.06
  4. Step 4: Simplify right side
    1,376,580.72x = 887,948,374,940.35
  5. Step 5: Solve for x
    x = 887,948,374,940.35/1,376,580.72
  6. Step 6: Final answer
    x = 645,039.09

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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.