Home / 1,012,392.64-1,397,031.68-559,648

Finding the Fourth Proportional to 1,012,392.64, 1,397,031.68 and 559,648

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Solution

The fourth proportional to 1,012,392.64, 1,397,031.68 and 559,648 is: 772,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,392.64 : 1,397,031.68 = 559,648 : x
  2. Step 2: Convert to fraction form
    1,012,392.64/1,397,031.68 = 559,648/x
  3. Step 3: Cross multiply
    1,012,392.64x = 1,397,031.68 × 559,648
  4. Step 4: Simplify right side
    1,012,392.64x = 781,845,985,648.64
  5. Step 5: Solve for x
    x = 781,845,985,648.64/1,012,392.64
  6. Step 6: Final answer
    x = 772,275.45

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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.