Home / 1,688,922.50-2,534,155.74-919,267.22

Finding the Fourth Proportional to 1,688,922.50, 2,534,155.74 and 919,267.22

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Solution

The fourth proportional to 1,688,922.50, 2,534,155.74 and 919,267.22 is: 1,379,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,922.50 : 2,534,155.74 = 919,267.22 : x
  2. Step 2: Convert to fraction form
    1,688,922.50/2,534,155.74 = 919,267.22/x
  3. Step 3: Cross multiply
    1,688,922.50x = 2,534,155.74 × 919,267.22
  4. Step 4: Simplify right side
    1,688,922.50x = 2,329,566,289,486.06
  5. Step 5: Solve for x
    x = 2,329,566,289,486.06/1,688,922.50
  6. Step 6: Final answer
    x = 1,379,321.01

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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.