Home / 1,326,531.48-1,830,613.50-722,919

Finding the Fourth Proportional to 1,326,531.48, 1,830,613.50 and 722,919

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Solution

The fourth proportional to 1,326,531.48, 1,830,613.50 and 722,919 is: 997,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,531.48 : 1,830,613.50 = 722,919 : x
  2. Step 2: Convert to fraction form
    1,326,531.48/1,830,613.50 = 722,919/x
  3. Step 3: Cross multiply
    1,326,531.48x = 1,830,613.50 × 722,919
  4. Step 4: Simplify right side
    1,326,531.48x = 1,323,385,280,806.50
  5. Step 5: Solve for x
    x = 1,323,385,280,806.50/1,326,531.48
  6. Step 6: Final answer
    x = 997,628.25

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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.