Home / 1,687,735.02-2,329,056.14-913,348.72

Finding the Fourth Proportional to 1,687,735.02, 2,329,056.14 and 913,348.72

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Solution

The fourth proportional to 1,687,735.02, 2,329,056.14 and 913,348.72 is: 1,260,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,735.02 : 2,329,056.14 = 913,348.72 : x
  2. Step 2: Convert to fraction form
    1,687,735.02/2,329,056.14 = 913,348.72/x
  3. Step 3: Cross multiply
    1,687,735.02x = 2,329,056.14 × 913,348.72
  4. Step 4: Simplify right side
    1,687,735.02x = 2,127,240,444,277.14
  5. Step 5: Solve for x
    x = 2,127,240,444,277.14/1,687,735.02
  6. Step 6: Final answer
    x = 1,260,411.39

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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.