Home / 1,575,810.72-2,364,454.24-776,656.64

Finding the Fourth Proportional to 1,575,810.72, 2,364,454.24 and 776,656.64

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Solution

The fourth proportional to 1,575,810.72, 2,364,454.24 and 776,656.64 is: 1,165,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,810.72 : 2,364,454.24 = 776,656.64 : x
  2. Step 2: Convert to fraction form
    1,575,810.72/2,364,454.24 = 776,656.64/x
  3. Step 3: Cross multiply
    1,575,810.72x = 2,364,454.24 × 776,656.64
  4. Step 4: Simplify right side
    1,575,810.72x = 1,836,369,085,472.15
  5. Step 5: Solve for x
    x = 1,836,369,085,472.15/1,575,810.72
  6. Step 6: Final answer
    x = 1,165,348.77

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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.