Home / 1,273,017.35-1,909,468.44-374,488.40

Finding the Fourth Proportional to 1,273,017.35, 1,909,468.44 and 374,488.40

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Solution

The fourth proportional to 1,273,017.35, 1,909,468.44 and 374,488.40 is: 561,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,017.35 : 1,909,468.44 = 374,488.40 : x
  2. Step 2: Convert to fraction form
    1,273,017.35/1,909,468.44 = 374,488.40/x
  3. Step 3: Cross multiply
    1,273,017.35x = 1,909,468.44 × 374,488.40
  4. Step 4: Simplify right side
    1,273,017.35x = 715,073,780,946.10
  5. Step 5: Solve for x
    x = 715,073,780,946.10/1,273,017.35
  6. Step 6: Final answer
    x = 561,715.66

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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.