Home / 1,078,158.02-1,488,336.30-696,371

Finding the Fourth Proportional to 1,078,158.02, 1,488,336.30 and 696,371

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Solution

The fourth proportional to 1,078,158.02, 1,488,336.30 and 696,371 is: 961,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,158.02 : 1,488,336.30 = 696,371 : x
  2. Step 2: Convert to fraction form
    1,078,158.02/1,488,336.30 = 696,371/x
  3. Step 3: Cross multiply
    1,078,158.02x = 1,488,336.30 × 696,371
  4. Step 4: Simplify right side
    1,078,158.02x = 1,036,434,237,567.30
  5. Step 5: Solve for x
    x = 1,036,434,237,567.30/1,078,158.02
  6. Step 6: Final answer
    x = 961,300.87

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Double scale
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1.5x scale

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.