Home / 1,078,145.02-1,488,318.36-696,358

Finding the Fourth Proportional to 1,078,145.02, 1,488,318.36 and 696,358

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Solution

The fourth proportional to 1,078,145.02, 1,488,318.36 and 696,358 is: 961,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,145.02 : 1,488,318.36 = 696,358 : x
  2. Step 2: Convert to fraction form
    1,078,145.02/1,488,318.36 = 696,358/x
  3. Step 3: Cross multiply
    1,078,145.02x = 1,488,318.36 × 696,358
  4. Step 4: Simplify right side
    1,078,145.02x = 1,036,402,396,532.88
  5. Step 5: Solve for x
    x = 1,036,402,396,532.88/1,078,145.02
  6. Step 6: Final answer
    x = 961,282.92

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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.