Home / 1,277,329.34-1,913,825.09-770,826.02

Finding the Fourth Proportional to 1,277,329.34, 1,913,825.09 and 770,826.02

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Solution

The fourth proportional to 1,277,329.34, 1,913,825.09 and 770,826.02 is: 1,154,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,329.34 : 1,913,825.09 = 770,826.02 : x
  2. Step 2: Convert to fraction form
    1,277,329.34/1,913,825.09 = 770,826.02/x
  3. Step 3: Cross multiply
    1,277,329.34x = 1,913,825.09 × 770,826.02
  4. Step 4: Simplify right side
    1,277,329.34x = 1,475,226,176,368.24
  5. Step 5: Solve for x
    x = 1,475,226,176,368.24/1,277,329.34
  6. Step 6: Final answer
    x = 1,154,930.16

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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.