Home / 1,038,446.80-1,557,779.58-431,166.16

Finding the Fourth Proportional to 1,038,446.80, 1,557,779.58 and 431,166.16

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Solution

The fourth proportional to 1,038,446.80, 1,557,779.58 and 431,166.16 is: 646,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,446.80 : 1,557,779.58 = 431,166.16 : x
  2. Step 2: Convert to fraction form
    1,038,446.80/1,557,779.58 = 431,166.16/x
  3. Step 3: Cross multiply
    1,038,446.80x = 1,557,779.58 × 431,166.16
  4. Step 4: Simplify right side
    1,038,446.80x = 671,661,839,635.01
  5. Step 5: Solve for x
    x = 671,661,839,635.01/1,038,446.80
  6. Step 6: Final answer
    x = 646,794.65

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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.