Home / 1,020,299.76-1,407,952.26-561,397.50

Finding the Fourth Proportional to 1,020,299.76, 1,407,952.26 and 561,397.50

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Solution

The fourth proportional to 1,020,299.76, 1,407,952.26 and 561,397.50 is: 774,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,299.76 : 1,407,952.26 = 561,397.50 : x
  2. Step 2: Convert to fraction form
    1,020,299.76/1,407,952.26 = 561,397.50/x
  3. Step 3: Cross multiply
    1,020,299.76x = 1,407,952.26 × 561,397.50
  4. Step 4: Simplify right side
    1,020,299.76x = 790,420,878,883.35
  5. Step 5: Solve for x
    x = 790,420,878,883.35/1,020,299.76
  6. Step 6: Final answer
    x = 774,694.76

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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.