Home / 1,279,724.34-1,766,008.76-706,752.21

Finding the Fourth Proportional to 1,279,724.34, 1,766,008.76 and 706,752.21

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Solution

The fourth proportional to 1,279,724.34, 1,766,008.76 and 706,752.21 is: 975,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,724.34 : 1,766,008.76 = 706,752.21 : x
  2. Step 2: Convert to fraction form
    1,279,724.34/1,766,008.76 = 706,752.21/x
  3. Step 3: Cross multiply
    1,279,724.34x = 1,766,008.76 × 706,752.21
  4. Step 4: Simplify right side
    1,279,724.34x = 1,248,130,599,088.36
  5. Step 5: Solve for x
    x = 1,248,130,599,088.36/1,279,724.34
  6. Step 6: Final answer
    x = 975,312.07

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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.