Home / 1,084,009.77-1,495,893.78-625,143.69

Finding the Fourth Proportional to 1,084,009.77, 1,495,893.78 and 625,143.69

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Solution

The fourth proportional to 1,084,009.77, 1,495,893.78 and 625,143.69 is: 862,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,009.77 : 1,495,893.78 = 625,143.69 : x
  2. Step 2: Convert to fraction form
    1,084,009.77/1,495,893.78 = 625,143.69/x
  3. Step 3: Cross multiply
    1,084,009.77x = 1,495,893.78 × 625,143.69
  4. Step 4: Simplify right side
    1,084,009.77x = 935,148,557,477.25
  5. Step 5: Solve for x
    x = 935,148,557,477.25/1,084,009.77
  6. Step 6: Final answer
    x = 862,675.40

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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.