Home / 1,300,368.95-1,794,869.78-756,609.77

Finding the Fourth Proportional to 1,300,368.95, 1,794,869.78 and 756,609.77

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Solution

The fourth proportional to 1,300,368.95, 1,794,869.78 and 756,609.77 is: 1,044,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,368.95 : 1,794,869.78 = 756,609.77 : x
  2. Step 2: Convert to fraction form
    1,300,368.95/1,794,869.78 = 756,609.77/x
  3. Step 3: Cross multiply
    1,300,368.95x = 1,794,869.78 × 756,609.77
  4. Step 4: Simplify right side
    1,300,368.95x = 1,358,015,998,668.35
  5. Step 5: Solve for x
    x = 1,358,015,998,668.35/1,300,368.95
  6. Step 6: Final answer
    x = 1,044,331.31

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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.