Home / 1,148,419-1,722,643.08-400,465

Finding the Fourth Proportional to 1,148,419, 1,722,643.08 and 400,465

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Solution

The fourth proportional to 1,148,419, 1,722,643.08 and 400,465 is: 600,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,419 : 1,722,643.08 = 400,465 : x
  2. Step 2: Convert to fraction form
    1,148,419/1,722,643.08 = 400,465/x
  3. Step 3: Cross multiply
    1,148,419x = 1,722,643.08 × 400,465
  4. Step 4: Simplify right side
    1,148,419x = 689,858,261,032.20
  5. Step 5: Solve for x
    x = 689,858,261,032.20/1,148,419
  6. Step 6: Final answer
    x = 600,702.58

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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.