Home / 1,755,813.56-2,423,219.36-991,916.32

Finding the Fourth Proportional to 1,755,813.56, 2,423,219.36 and 991,916.32

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Solution

The fourth proportional to 1,755,813.56, 2,423,219.36 and 991,916.32 is: 1,368,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,813.56 : 2,423,219.36 = 991,916.32 : x
  2. Step 2: Convert to fraction form
    1,755,813.56/2,423,219.36 = 991,916.32/x
  3. Step 3: Cross multiply
    1,755,813.56x = 2,423,219.36 × 991,916.32
  4. Step 4: Simplify right side
    1,755,813.56x = 2,403,630,830,123.96
  5. Step 5: Solve for x
    x = 2,403,630,830,123.96/1,755,813.56
  6. Step 6: Final answer
    x = 1,368,955.61

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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.