Home / 1,130,741.25-1,560,422.93-621,443.63

Finding the Fourth Proportional to 1,130,741.25, 1,560,422.93 and 621,443.63

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Solution

The fourth proportional to 1,130,741.25, 1,560,422.93 and 621,443.63 is: 857,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,741.25 : 1,560,422.93 = 621,443.63 : x
  2. Step 2: Convert to fraction form
    1,130,741.25/1,560,422.93 = 621,443.63/x
  3. Step 3: Cross multiply
    1,130,741.25x = 1,560,422.93 × 621,443.63
  4. Step 4: Simplify right side
    1,130,741.25x = 969,714,879,045.10
  5. Step 5: Solve for x
    x = 969,714,879,045.10/1,130,741.25
  6. Step 6: Final answer
    x = 857,592.20

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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.