Home / 1,428,346.71-1,971,050.76-783,752.76

Finding the Fourth Proportional to 1,428,346.71, 1,971,050.76 and 783,752.76

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Solution

The fourth proportional to 1,428,346.71, 1,971,050.76 and 783,752.76 is: 1,081,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,346.71 : 1,971,050.76 = 783,752.76 : x
  2. Step 2: Convert to fraction form
    1,428,346.71/1,971,050.76 = 783,752.76/x
  3. Step 3: Cross multiply
    1,428,346.71x = 1,971,050.76 × 783,752.76
  4. Step 4: Simplify right side
    1,428,346.71x = 1,544,816,473,250.10
  5. Step 5: Solve for x
    x = 1,544,816,473,250.10/1,428,346.71
  6. Step 6: Final answer
    x = 1,081,541.66

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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.