Home / 1,405,814.60-2,108,747.76-507,323.72

Finding the Fourth Proportional to 1,405,814.60, 2,108,747.76 and 507,323.72

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Solution

The fourth proportional to 1,405,814.60, 2,108,747.76 and 507,323.72 is: 760,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,814.60 : 2,108,747.76 = 507,323.72 : x
  2. Step 2: Convert to fraction form
    1,405,814.60/2,108,747.76 = 507,323.72/x
  3. Step 3: Cross multiply
    1,405,814.60x = 2,108,747.76 × 507,323.72
  4. Step 4: Simplify right side
    1,405,814.60x = 1,069,817,758,144.87
  5. Step 5: Solve for x
    x = 1,069,817,758,144.87/1,405,814.60
  6. Step 6: Final answer
    x = 760,994.91

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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.