Home / 1,537,080.80-2,121,083.52-858,060.32

Finding the Fourth Proportional to 1,537,080.80, 2,121,083.52 and 858,060.32

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Solution

The fourth proportional to 1,537,080.80, 2,121,083.52 and 858,060.32 is: 1,184,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,080.80 : 2,121,083.52 = 858,060.32 : x
  2. Step 2: Convert to fraction form
    1,537,080.80/2,121,083.52 = 858,060.32/x
  3. Step 3: Cross multiply
    1,537,080.80x = 2,121,083.52 × 858,060.32
  4. Step 4: Simplify right side
    1,537,080.80x = 1,820,017,603,917.93
  5. Step 5: Solve for x
    x = 1,820,017,603,917.93/1,537,080.80
  6. Step 6: Final answer
    x = 1,184,074.13

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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.