Home / 1,301,211.74-1,795,457.95-817,434.28

Finding the Fourth Proportional to 1,301,211.74, 1,795,457.95 and 817,434.28

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Solution

The fourth proportional to 1,301,211.74, 1,795,457.95 and 817,434.28 is: 1,127,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,211.74 : 1,795,457.95 = 817,434.28 : x
  2. Step 2: Convert to fraction form
    1,301,211.74/1,795,457.95 = 817,434.28/x
  3. Step 3: Cross multiply
    1,301,211.74x = 1,795,457.95 × 817,434.28
  4. Step 4: Simplify right side
    1,301,211.74x = 1,467,668,863,564.07
  5. Step 5: Solve for x
    x = 1,467,668,863,564.07/1,301,211.74
  6. Step 6: Final answer
    x = 1,127,924.71

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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.