Home / 1,127,725-1,556,117.46-618,293.32

Finding the Fourth Proportional to 1,127,725, 1,556,117.46 and 618,293.32

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Solution

The fourth proportional to 1,127,725, 1,556,117.46 and 618,293.32 is: 853,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,725 : 1,556,117.46 = 618,293.32 : x
  2. Step 2: Convert to fraction form
    1,127,725/1,556,117.46 = 618,293.32/x
  3. Step 3: Cross multiply
    1,127,725x = 1,556,117.46 × 618,293.32
  4. Step 4: Simplify right side
    1,127,725x = 962,137,030,653.37
  5. Step 5: Solve for x
    x = 962,137,030,653.37/1,127,725
  6. Step 6: Final answer
    x = 853,166.36

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Double scale
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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.