Home / 1,276,497-1,915,073.64-477,790.02

Finding the Fourth Proportional to 1,276,497, 1,915,073.64 and 477,790.02

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Solution

The fourth proportional to 1,276,497, 1,915,073.64 and 477,790.02 is: 716,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,497 : 1,915,073.64 = 477,790.02 : x
  2. Step 2: Convert to fraction form
    1,276,497/1,915,073.64 = 477,790.02/x
  3. Step 3: Cross multiply
    1,276,497x = 1,915,073.64 × 477,790.02
  4. Step 4: Simplify right side
    1,276,497x = 915,003,072,757.07
  5. Step 5: Solve for x
    x = 915,003,072,757.07/1,276,497
  6. Step 6: Final answer
    x = 716,807.85

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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.