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Finding the Fourth Proportional to 1,249,785.95, 1,724,696.03 and 676,813.01

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Solution

The fourth proportional to 1,249,785.95, 1,724,696.03 and 676,813.01 is: 933,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,785.95 : 1,724,696.03 = 676,813.01 : x
  2. Step 2: Convert to fraction form
    1,249,785.95/1,724,696.03 = 676,813.01/x
  3. Step 3: Cross multiply
    1,249,785.95x = 1,724,696.03 × 676,813.01
  4. Step 4: Simplify right side
    1,249,785.95x = 1,167,296,708,015.29
  5. Step 5: Solve for x
    x = 1,167,296,708,015.29/1,249,785.95
  6. Step 6: Final answer
    x = 933,997.30

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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.