Home / 1,575,355.50-2,173,990.59-859,963.50

Finding the Fourth Proportional to 1,575,355.50, 2,173,990.59 and 859,963.50

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Solution

The fourth proportional to 1,575,355.50, 2,173,990.59 and 859,963.50 is: 1,186,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,355.50 : 2,173,990.59 = 859,963.50 : x
  2. Step 2: Convert to fraction form
    1,575,355.50/2,173,990.59 = 859,963.50/x
  3. Step 3: Cross multiply
    1,575,355.50x = 2,173,990.59 × 859,963.50
  4. Step 4: Simplify right side
    1,575,355.50x = 1,869,552,556,743.47
  5. Step 5: Solve for x
    x = 1,869,552,556,743.47/1,575,355.50
  6. Step 6: Final answer
    x = 1,186,749.63

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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.