Home / 1,316,853.79-1,817,405.71-743,930.87

Finding the Fourth Proportional to 1,316,853.79, 1,817,405.71 and 743,930.87

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Solution

The fourth proportional to 1,316,853.79, 1,817,405.71 and 743,930.87 is: 1,026,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,853.79 : 1,817,405.71 = 743,930.87 : x
  2. Step 2: Convert to fraction form
    1,316,853.79/1,817,405.71 = 743,930.87/x
  3. Step 3: Cross multiply
    1,316,853.79x = 1,817,405.71 × 743,930.87
  4. Step 4: Simplify right side
    1,316,853.79x = 1,352,024,200,036.41
  5. Step 5: Solve for x
    x = 1,352,024,200,036.41/1,316,853.79
  6. Step 6: Final answer
    x = 1,026,707.91

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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.