Home / 1,405,869.09-2,108,367.27-507,193.74

Finding the Fourth Proportional to 1,405,869.09, 2,108,367.27 and 507,193.74

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Solution

The fourth proportional to 1,405,869.09, 2,108,367.27 and 507,193.74 is: 760,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,869.09 : 2,108,367.27 = 507,193.74 : x
  2. Step 2: Convert to fraction form
    1,405,869.09/2,108,367.27 = 507,193.74/x
  3. Step 3: Cross multiply
    1,405,869.09x = 2,108,367.27 × 507,193.74
  4. Step 4: Simplify right side
    1,405,869.09x = 1,069,350,670,423.05
  5. Step 5: Solve for x
    x = 1,069,350,670,423.05/1,405,869.09
  6. Step 6: Final answer
    x = 760,633.18

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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.