Home / 1,406,161.72-2,108,807.26-507,489.71

Finding the Fourth Proportional to 1,406,161.72, 2,108,807.26 and 507,489.71

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Solution

The fourth proportional to 1,406,161.72, 2,108,807.26 and 507,489.71 is: 761,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,161.72 : 2,108,807.26 = 507,489.71 : x
  2. Step 2: Convert to fraction form
    1,406,161.72/2,108,807.26 = 507,489.71/x
  3. Step 3: Cross multiply
    1,406,161.72x = 2,108,807.26 × 507,489.71
  4. Step 4: Simplify right side
    1,406,161.72x = 1,070,197,977,916.09
  5. Step 5: Solve for x
    x = 1,070,197,977,916.09/1,406,161.72
  6. Step 6: Final answer
    x = 761,077.45

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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.