Home / 1,806,499.53-2,709,750.51-458,763.21

Finding the Fourth Proportional to 1,806,499.53, 2,709,750.51 and 458,763.21

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Solution

The fourth proportional to 1,806,499.53, 2,709,750.51 and 458,763.21 is: 688,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,499.53 : 2,709,750.51 = 458,763.21 : x
  2. Step 2: Convert to fraction form
    1,806,499.53/2,709,750.51 = 458,763.21/x
  3. Step 3: Cross multiply
    1,806,499.53x = 2,709,750.51 × 458,763.21
  4. Step 4: Simplify right side
    1,806,499.53x = 1,243,133,842,266.74
  5. Step 5: Solve for x
    x = 1,243,133,842,266.74/1,806,499.53
  6. Step 6: Final answer
    x = 688,145.12

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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.