Home / 1,810,308-2,715,811.68-688,289.76

Finding the Fourth Proportional to 1,810,308, 2,715,811.68 and 688,289.76

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Solution

The fourth proportional to 1,810,308, 2,715,811.68 and 688,289.76 is: 1,032,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,308 : 2,715,811.68 = 688,289.76 : x
  2. Step 2: Convert to fraction form
    1,810,308/2,715,811.68 = 688,289.76/x
  3. Step 3: Cross multiply
    1,810,308x = 2,715,811.68 × 688,289.76
  4. Step 4: Simplify right side
    1,810,308x = 1,869,265,369,432.40
  5. Step 5: Solve for x
    x = 1,869,265,369,432.40/1,810,308
  6. Step 6: Final answer
    x = 1,032,567.59

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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.