Home / 1,130,772.48-1,560,407.04-621,542.40

Finding the Fourth Proportional to 1,130,772.48, 1,560,407.04 and 621,542.40

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Solution

The fourth proportional to 1,130,772.48, 1,560,407.04 and 621,542.40 is: 857,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,772.48 : 1,560,407.04 = 621,542.40 : x
  2. Step 2: Convert to fraction form
    1,130,772.48/1,560,407.04 = 621,542.40/x
  3. Step 3: Cross multiply
    1,130,772.48x = 1,560,407.04 × 621,542.40
  4. Step 4: Simplify right side
    1,130,772.48x = 969,859,136,618.50
  5. Step 5: Solve for x
    x = 969,859,136,618.50/1,130,772.48
  6. Step 6: Final answer
    x = 857,696.09

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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.