Home / 1,069,484-1,475,887.92-639,782.24

Finding the Fourth Proportional to 1,069,484, 1,475,887.92 and 639,782.24

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Solution

The fourth proportional to 1,069,484, 1,475,887.92 and 639,782.24 is: 882,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,484 : 1,475,887.92 = 639,782.24 : x
  2. Step 2: Convert to fraction form
    1,069,484/1,475,887.92 = 639,782.24/x
  3. Step 3: Cross multiply
    1,069,484x = 1,475,887.92 × 639,782.24
  4. Step 4: Simplify right side
    1,069,484x = 944,246,879,446.54
  5. Step 5: Solve for x
    x = 944,246,879,446.54/1,069,484
  6. Step 6: Final answer
    x = 882,899.49

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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.