Home / 1,048,704.40-1,447,411.05-656,419.39

Finding the Fourth Proportional to 1,048,704.40, 1,447,411.05 and 656,419.39

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Solution

The fourth proportional to 1,048,704.40, 1,447,411.05 and 656,419.39 is: 905,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,704.40 : 1,447,411.05 = 656,419.39 : x
  2. Step 2: Convert to fraction form
    1,048,704.40/1,447,411.05 = 656,419.39/x
  3. Step 3: Cross multiply
    1,048,704.40x = 1,447,411.05 × 656,419.39
  4. Step 4: Simplify right side
    1,048,704.40x = 950,108,671,283.20
  5. Step 5: Solve for x
    x = 950,108,671,283.20/1,048,704.40
  6. Step 6: Final answer
    x = 905,983.30

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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.