Home / 1,230,560.46-1,698,173.76-679,276.50

Finding the Fourth Proportional to 1,230,560.46, 1,698,173.76 and 679,276.50

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Solution

The fourth proportional to 1,230,560.46, 1,698,173.76 and 679,276.50 is: 937,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,560.46 : 1,698,173.76 = 679,276.50 : x
  2. Step 2: Convert to fraction form
    1,230,560.46/1,698,173.76 = 679,276.50/x
  3. Step 3: Cross multiply
    1,230,560.46x = 1,698,173.76 × 679,276.50
  4. Step 4: Simplify right side
    1,230,560.46x = 1,153,529,528,084.64
  5. Step 5: Solve for x
    x = 1,153,529,528,084.64/1,230,560.46
  6. Step 6: Final answer
    x = 937,401.75

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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.