Home / 1,148,368.56-1,721,973.60-668,751.36

Finding the Fourth Proportional to 1,148,368.56, 1,721,973.60 and 668,751.36

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Solution

The fourth proportional to 1,148,368.56, 1,721,973.60 and 668,751.36 is: 1,002,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,368.56 : 1,721,973.60 = 668,751.36 : x
  2. Step 2: Convert to fraction form
    1,148,368.56/1,721,973.60 = 668,751.36/x
  3. Step 3: Cross multiply
    1,148,368.56x = 1,721,973.60 × 668,751.36
  4. Step 4: Simplify right side
    1,148,368.56x = 1,151,572,186,884.10
  5. Step 5: Solve for x
    x = 1,151,572,186,884.10/1,148,368.56
  6. Step 6: Final answer
    x = 1,002,789.72

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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.