Home / 1,080,085.61-1,620,122.56-440,386.87

Finding the Fourth Proportional to 1,080,085.61, 1,620,122.56 and 440,386.87

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Solution

The fourth proportional to 1,080,085.61, 1,620,122.56 and 440,386.87 is: 660,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,085.61 : 1,620,122.56 = 440,386.87 : x
  2. Step 2: Convert to fraction form
    1,080,085.61/1,620,122.56 = 440,386.87/x
  3. Step 3: Cross multiply
    1,080,085.61x = 1,620,122.56 × 440,386.87
  4. Step 4: Simplify right side
    1,080,085.61x = 713,480,698,063.51
  5. Step 5: Solve for x
    x = 713,480,698,063.51/1,080,085.61
  6. Step 6: Final answer
    x = 660,577.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.