Home / 1,047,743.04-1,446,059.34-618,128.76

Finding the Fourth Proportional to 1,047,743.04, 1,446,059.34 and 618,128.76

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Solution

The fourth proportional to 1,047,743.04, 1,446,059.34 and 618,128.76 is: 853,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,743.04 : 1,446,059.34 = 618,128.76 : x
  2. Step 2: Convert to fraction form
    1,047,743.04/1,446,059.34 = 618,128.76/x
  3. Step 3: Cross multiply
    1,047,743.04x = 1,446,059.34 × 618,128.76
  4. Step 4: Simplify right side
    1,047,743.04x = 893,850,866,720.62
  5. Step 5: Solve for x
    x = 893,850,866,720.62/1,047,743.04
  6. Step 6: Final answer
    x = 853,120.31

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Double scale
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1.5x scale

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.