Home / 1,806,510.87-2,709,767.48-458,774.55

Finding the Fourth Proportional to 1,806,510.87, 2,709,767.48 and 458,774.55

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Solution

The fourth proportional to 1,806,510.87, 2,709,767.48 and 458,774.55 is: 688,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,510.87 : 2,709,767.48 = 458,774.55 : x
  2. Step 2: Convert to fraction form
    1,806,510.87/2,709,767.48 = 458,774.55/x
  3. Step 3: Cross multiply
    1,806,510.87x = 2,709,767.48 × 458,774.55
  4. Step 4: Simplify right side
    1,806,510.87x = 1,243,172,353,947.76
  5. Step 5: Solve for x
    x = 1,243,172,353,947.76/1,806,510.87
  6. Step 6: Final answer
    x = 688,162.12

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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.