Home / 1,209,373.94-1,669,004.95-693,213.69

Finding the Fourth Proportional to 1,209,373.94, 1,669,004.95 and 693,213.69

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Solution

The fourth proportional to 1,209,373.94, 1,669,004.95 and 693,213.69 is: 956,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,373.94 : 1,669,004.95 = 693,213.69 : x
  2. Step 2: Convert to fraction form
    1,209,373.94/1,669,004.95 = 693,213.69/x
  3. Step 3: Cross multiply
    1,209,373.94x = 1,669,004.95 × 693,213.69
  4. Step 4: Simplify right side
    1,209,373.94x = 1,156,977,085,843.28
  5. Step 5: Solve for x
    x = 1,156,977,085,843.28/1,209,373.94
  6. Step 6: Final answer
    x = 956,674.40

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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.