Home / 1,329,265.60-1,992,602.40-760,062.40

Finding the Fourth Proportional to 1,329,265.60, 1,992,602.40 and 760,062.40

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Solution

The fourth proportional to 1,329,265.60, 1,992,602.40 and 760,062.40 is: 1,139,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,265.60 : 1,992,602.40 = 760,062.40 : x
  2. Step 2: Convert to fraction form
    1,329,265.60/1,992,602.40 = 760,062.40/x
  3. Step 3: Cross multiply
    1,329,265.60x = 1,992,602.40 × 760,062.40
  4. Step 4: Simplify right side
    1,329,265.60x = 1,514,502,162,389.76
  5. Step 5: Solve for x
    x = 1,514,502,162,389.76/1,329,265.60
  6. Step 6: Final answer
    x = 1,139,352.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.