Home / 1,030,525.40-1,422,125.64-628,117.40

Finding the Fourth Proportional to 1,030,525.40, 1,422,125.64 and 628,117.40

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Solution

The fourth proportional to 1,030,525.40, 1,422,125.64 and 628,117.40 is: 866,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,525.40 : 1,422,125.64 = 628,117.40 : x
  2. Step 2: Convert to fraction form
    1,030,525.40/1,422,125.64 = 628,117.40/x
  3. Step 3: Cross multiply
    1,030,525.40x = 1,422,125.64 × 628,117.40
  4. Step 4: Simplify right side
    1,030,525.40x = 893,261,859,470.14
  5. Step 5: Solve for x
    x = 893,261,859,470.14/1,030,525.40
  6. Step 6: Final answer
    x = 866,802.37

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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.