Home / 1,406,738.89-2,107,704.25-1,005,328.81

Finding the Fourth Proportional to 1,406,738.89, 2,107,704.25 and 1,005,328.81

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Solution

The fourth proportional to 1,406,738.89, 2,107,704.25 and 1,005,328.81 is: 1,506,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,738.89 : 2,107,704.25 = 1,005,328.81 : x
  2. Step 2: Convert to fraction form
    1,406,738.89/2,107,704.25 = 1,005,328.81/x
  3. Step 3: Cross multiply
    1,406,738.89x = 2,107,704.25 × 1,005,328.81
  4. Step 4: Simplify right side
    1,406,738.89x = 2,118,935,805,484.44
  5. Step 5: Solve for x
    x = 2,118,935,805,484.44/1,406,738.89
  6. Step 6: Final answer
    x = 1,506,275.13

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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.