Home / 1,326,500.45-1,830,342.52-745,643.07

Finding the Fourth Proportional to 1,326,500.45, 1,830,342.52 and 745,643.07

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Solution

The fourth proportional to 1,326,500.45, 1,830,342.52 and 745,643.07 is: 1,028,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,500.45 : 1,830,342.52 = 745,643.07 : x
  2. Step 2: Convert to fraction form
    1,326,500.45/1,830,342.52 = 745,643.07/x
  3. Step 3: Cross multiply
    1,326,500.45x = 1,830,342.52 × 745,643.07
  4. Step 4: Simplify right side
    1,326,500.45x = 1,364,782,216,696.39
  5. Step 5: Solve for x
    x = 1,364,782,216,696.39/1,326,500.45
  6. Step 6: Final answer
    x = 1,028,859.22

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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.