Home / 1,054,421.97-1,455,155.28-618,858.18

Finding the Fourth Proportional to 1,054,421.97, 1,455,155.28 and 618,858.18

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Solution

The fourth proportional to 1,054,421.97, 1,455,155.28 and 618,858.18 is: 854,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,421.97 : 1,455,155.28 = 618,858.18 : x
  2. Step 2: Convert to fraction form
    1,054,421.97/1,455,155.28 = 618,858.18/x
  3. Step 3: Cross multiply
    1,054,421.97x = 1,455,155.28 × 618,858.18
  4. Step 4: Simplify right side
    1,054,421.97x = 900,534,748,198.19
  5. Step 5: Solve for x
    x = 900,534,748,198.19/1,054,421.97
  6. Step 6: Final answer
    x = 854,055.37

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1.5x scale

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.