Home / 1,298,696.32-1,948,464.96-624,689.91

Finding the Fourth Proportional to 1,298,696.32, 1,948,464.96 and 624,689.91

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Solution

The fourth proportional to 1,298,696.32, 1,948,464.96 and 624,689.91 is: 937,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,696.32 : 1,948,464.96 = 624,689.91 : x
  2. Step 2: Convert to fraction form
    1,298,696.32/1,948,464.96 = 624,689.91/x
  3. Step 3: Cross multiply
    1,298,696.32x = 1,948,464.96 × 624,689.91
  4. Step 4: Simplify right side
    1,298,696.32x = 1,217,186,407,807.30
  5. Step 5: Solve for x
    x = 1,217,186,407,807.30/1,298,696.32
  6. Step 6: Final answer
    x = 937,237.13

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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.