Home / 1,786,619.76-2,680,088.40-507,245.82

Finding the Fourth Proportional to 1,786,619.76, 2,680,088.40 and 507,245.82

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Solution

The fourth proportional to 1,786,619.76, 2,680,088.40 and 507,245.82 is: 760,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,619.76 : 2,680,088.40 = 507,245.82 : x
  2. Step 2: Convert to fraction form
    1,786,619.76/2,680,088.40 = 507,245.82/x
  3. Step 3: Cross multiply
    1,786,619.76x = 2,680,088.40 × 507,245.82
  4. Step 4: Simplify right side
    1,786,619.76x = 1,359,463,638,130.49
  5. Step 5: Solve for x
    x = 1,359,463,638,130.49/1,786,619.76
  6. Step 6: Final answer
    x = 760,913.80

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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.