Home / 1,500,030.48-2,070,029.88-820,965.36

Finding the Fourth Proportional to 1,500,030.48, 2,070,029.88 and 820,965.36

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Solution

The fourth proportional to 1,500,030.48, 2,070,029.88 and 820,965.36 is: 1,132,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,030.48 : 2,070,029.88 = 820,965.36 : x
  2. Step 2: Convert to fraction form
    1,500,030.48/2,070,029.88 = 820,965.36/x
  3. Step 3: Cross multiply
    1,500,030.48x = 2,070,029.88 × 820,965.36
  4. Step 4: Simplify right side
    1,500,030.48x = 1,699,422,825,644.96
  5. Step 5: Solve for x
    x = 1,699,422,825,644.96/1,500,030.48
  6. Step 6: Final answer
    x = 1,132,925.53

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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.