Home / 1,258,834.21-1,888,264.40-1,007,711.02

Finding the Fourth Proportional to 1,258,834.21, 1,888,264.40 and 1,007,711.02

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Solution

The fourth proportional to 1,258,834.21, 1,888,264.40 and 1,007,711.02 is: 1,511,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,834.21 : 1,888,264.40 = 1,007,711.02 : x
  2. Step 2: Convert to fraction form
    1,258,834.21/1,888,264.40 = 1,007,711.02/x
  3. Step 3: Cross multiply
    1,258,834.21x = 1,888,264.40 × 1,007,711.02
  4. Step 4: Simplify right side
    1,258,834.21x = 1,902,824,830,073.81
  5. Step 5: Solve for x
    x = 1,902,824,830,073.81/1,258,834.21
  6. Step 6: Final answer
    x = 1,511,577.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.