Home / 1,405,871.84-2,108,371.40-507,196.49

Finding the Fourth Proportional to 1,405,871.84, 2,108,371.40 and 507,196.49

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Solution

The fourth proportional to 1,405,871.84, 2,108,371.40 and 507,196.49 is: 760,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,871.84 : 2,108,371.40 = 507,196.49 : x
  2. Step 2: Convert to fraction form
    1,405,871.84/2,108,371.40 = 507,196.49/x
  3. Step 3: Cross multiply
    1,405,871.84x = 2,108,371.40 × 507,196.49
  4. Step 4: Simplify right side
    1,405,871.84x = 1,069,358,560,618.55
  5. Step 5: Solve for x
    x = 1,069,358,560,618.55/1,405,871.84
  6. Step 6: Final answer
    x = 760,637.30

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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.