Home / 1,317,312.04-1,817,844.06-744,339.91

Finding the Fourth Proportional to 1,317,312.04, 1,817,844.06 and 744,339.91

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Solution

The fourth proportional to 1,317,312.04, 1,817,844.06 and 744,339.91 is: 1,027,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,312.04 : 1,817,844.06 = 744,339.91 : x
  2. Step 2: Convert to fraction form
    1,317,312.04/1,817,844.06 = 744,339.91/x
  3. Step 3: Cross multiply
    1,317,312.04x = 1,817,844.06 × 744,339.91
  4. Step 4: Simplify right side
    1,317,312.04x = 1,353,093,884,014.43
  5. Step 5: Solve for x
    x = 1,353,093,884,014.43/1,317,312.04
  6. Step 6: Final answer
    x = 1,027,162.77

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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.