Home / 1,070,934.48-1,477,877.40-618,215.76

Finding the Fourth Proportional to 1,070,934.48, 1,477,877.40 and 618,215.76

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Solution

The fourth proportional to 1,070,934.48, 1,477,877.40 and 618,215.76 is: 853,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,934.48 : 1,477,877.40 = 618,215.76 : x
  2. Step 2: Convert to fraction form
    1,070,934.48/1,477,877.40 = 618,215.76/x
  3. Step 3: Cross multiply
    1,070,934.48x = 1,477,877.40 × 618,215.76
  4. Step 4: Simplify right side
    1,070,934.48x = 913,647,100,027.82
  5. Step 5: Solve for x
    x = 913,647,100,027.82/1,070,934.48
  6. Step 6: Final answer
    x = 853,130.72

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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.