Home / 1,202,708.48-1,658,407.64-766,434.72

Finding the Fourth Proportional to 1,202,708.48, 1,658,407.64 and 766,434.72

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Solution

The fourth proportional to 1,202,708.48, 1,658,407.64 and 766,434.72 is: 1,056,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,708.48 : 1,658,407.64 = 766,434.72 : x
  2. Step 2: Convert to fraction form
    1,202,708.48/1,658,407.64 = 766,434.72/x
  3. Step 3: Cross multiply
    1,202,708.48x = 1,658,407.64 × 766,434.72
  4. Step 4: Simplify right side
    1,202,708.48x = 1,271,061,183,085.05
  5. Step 5: Solve for x
    x = 1,271,061,183,085.05/1,202,708.48
  6. Step 6: Final answer
    x = 1,056,832.32

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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.