Home / 1,242,264.12-1,714,314.06-698,402.40

Finding the Fourth Proportional to 1,242,264.12, 1,714,314.06 and 698,402.40

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Solution

The fourth proportional to 1,242,264.12, 1,714,314.06 and 698,402.40 is: 963,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,264.12 : 1,714,314.06 = 698,402.40 : x
  2. Step 2: Convert to fraction form
    1,242,264.12/1,714,314.06 = 698,402.40/x
  3. Step 3: Cross multiply
    1,242,264.12x = 1,714,314.06 × 698,402.40
  4. Step 4: Simplify right side
    1,242,264.12x = 1,197,281,053,857.74
  5. Step 5: Solve for x
    x = 1,197,281,053,857.74/1,242,264.12
  6. Step 6: Final answer
    x = 963,789.45

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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.