Home / 1,070,511.48-1,605,767.76-322,557.48

Finding the Fourth Proportional to 1,070,511.48, 1,605,767.76 and 322,557.48

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Solution

The fourth proportional to 1,070,511.48, 1,605,767.76 and 322,557.48 is: 483,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,511.48 : 1,605,767.76 = 322,557.48 : x
  2. Step 2: Convert to fraction form
    1,070,511.48/1,605,767.76 = 322,557.48/x
  3. Step 3: Cross multiply
    1,070,511.48x = 1,605,767.76 × 322,557.48
  4. Step 4: Simplify right side
    1,070,511.48x = 517,952,402,130.85
  5. Step 5: Solve for x
    x = 517,952,402,130.85/1,070,511.48
  6. Step 6: Final answer
    x = 483,836.38

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Double scale
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1.5x scale

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.