Home / 1,462,055.96-2,017,019.40-978,776.80

Finding the Fourth Proportional to 1,462,055.96, 2,017,019.40 and 978,776.80

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Solution

The fourth proportional to 1,462,055.96, 2,017,019.40 and 978,776.80 is: 1,350,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,055.96 : 2,017,019.40 = 978,776.80 : x
  2. Step 2: Convert to fraction form
    1,462,055.96/2,017,019.40 = 978,776.80/x
  3. Step 3: Cross multiply
    1,462,055.96x = 2,017,019.40 × 978,776.80
  4. Step 4: Simplify right side
    1,462,055.96x = 1,974,211,788,827.37
  5. Step 5: Solve for x
    x = 1,974,211,788,827.37/1,462,055.96
  6. Step 6: Final answer
    x = 1,350,298.38

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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.