Home / 1,688,122.96-2,329,237.26-999,452.86

Finding the Fourth Proportional to 1,688,122.96, 2,329,237.26 and 999,452.86

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Solution

The fourth proportional to 1,688,122.96, 2,329,237.26 and 999,452.86 is: 1,379,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,122.96 : 2,329,237.26 = 999,452.86 : x
  2. Step 2: Convert to fraction form
    1,688,122.96/2,329,237.26 = 999,452.86/x
  3. Step 3: Cross multiply
    1,688,122.96x = 2,329,237.26 × 999,452.86
  4. Step 4: Simplify right side
    1,688,122.96x = 2,327,962,841,125.56
  5. Step 5: Solve for x
    x = 2,327,962,841,125.56/1,688,122.96
  6. Step 6: Final answer
    x = 1,379,024.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.