Home / 1,315,205.10-1,975,140.45-1,016,412.30

Finding the Fourth Proportional to 1,315,205.10, 1,975,140.45 and 1,016,412.30

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Solution

The fourth proportional to 1,315,205.10, 1,975,140.45 and 1,016,412.30 is: 1,526,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,205.10 : 1,975,140.45 = 1,016,412.30 : x
  2. Step 2: Convert to fraction form
    1,315,205.10/1,975,140.45 = 1,016,412.30/x
  3. Step 3: Cross multiply
    1,315,205.10x = 1,975,140.45 × 1,016,412.30
  4. Step 4: Simplify right side
    1,315,205.10x = 2,007,557,047,607.54
  5. Step 5: Solve for x
    x = 2,007,557,047,607.54/1,315,205.10
  6. Step 6: Final answer
    x = 1,526,421.28

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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.