Home / 1,690,634.80-2,535,682.32-625,434.52

Finding the Fourth Proportional to 1,690,634.80, 2,535,682.32 and 625,434.52

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Solution

The fourth proportional to 1,690,634.80, 2,535,682.32 and 625,434.52 is: 938,051.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,634.80 : 2,535,682.32 = 625,434.52 : x
  2. Step 2: Convert to fraction form
    1,690,634.80/2,535,682.32 = 625,434.52/x
  3. Step 3: Cross multiply
    1,690,634.80x = 2,535,682.32 × 625,434.52
  4. Step 4: Simplify right side
    1,690,634.80x = 1,585,903,254,681.69
  5. Step 5: Solve for x
    x = 1,585,903,254,681.69/1,690,634.80
  6. Step 6: Final answer
    x = 938,051.94

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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.