Home / 1,326,472.74-1,830,012.75-816,289.38

Finding the Fourth Proportional to 1,326,472.74, 1,830,012.75 and 816,289.38

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Solution

The fourth proportional to 1,326,472.74, 1,830,012.75 and 816,289.38 is: 1,126,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,472.74 : 1,830,012.75 = 816,289.38 : x
  2. Step 2: Convert to fraction form
    1,326,472.74/1,830,012.75 = 816,289.38/x
  3. Step 3: Cross multiply
    1,326,472.74x = 1,830,012.75 × 816,289.38
  4. Step 4: Simplify right side
    1,326,472.74x = 1,493,819,973,089.60
  5. Step 5: Solve for x
    x = 1,493,819,973,089.60/1,326,472.74
  6. Step 6: Final answer
    x = 1,126,159.57

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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.