Home / 1,405,894.50-2,108,405.59-507,219.41

Finding the Fourth Proportional to 1,405,894.50, 2,108,405.59 and 507,219.41

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Solution

The fourth proportional to 1,405,894.50, 2,108,405.59 and 507,219.41 is: 760,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,894.50 : 2,108,405.59 = 507,219.41 : x
  2. Step 2: Convert to fraction form
    1,405,894.50/2,108,405.59 = 507,219.41/x
  3. Step 3: Cross multiply
    1,405,894.50x = 2,108,405.59 × 507,219.41
  4. Step 4: Simplify right side
    1,405,894.50x = 1,069,424,239,400.50
  5. Step 5: Solve for x
    x = 1,069,424,239,400.50/1,405,894.50
  6. Step 6: Final answer
    x = 760,671.76

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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.