Home / 787,145.52-1,174,578.90-702,322.80

Finding the Fourth Proportional to 787,145.52, 1,174,578.90 and 702,322.80

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Solution

The fourth proportional to 787,145.52, 1,174,578.90 and 702,322.80 is: 1,048,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,145.52 : 1,174,578.90 = 702,322.80 : x
  2. Step 2: Convert to fraction form
    787,145.52/1,174,578.90 = 702,322.80/x
  3. Step 3: Cross multiply
    787,145.52x = 1,174,578.90 × 702,322.80
  4. Step 4: Simplify right side
    787,145.52x = 824,933,541,868.92
  5. Step 5: Solve for x
    x = 824,933,541,868.92/787,145.52
  6. Step 6: Final answer
    x = 1,048,006.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.