Home / 983,607.80-1,473,338.10-878,545.40

Finding the Fourth Proportional to 983,607.80, 1,473,338.10 and 878,545.40

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Solution

The fourth proportional to 983,607.80, 1,473,338.10 and 878,545.40 is: 1,315,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,607.80 : 1,473,338.10 = 878,545.40 : x
  2. Step 2: Convert to fraction form
    983,607.80/1,473,338.10 = 878,545.40/x
  3. Step 3: Cross multiply
    983,607.80x = 1,473,338.10 × 878,545.40
  4. Step 4: Simplify right side
    983,607.80x = 1,294,394,410,399.74
  5. Step 5: Solve for x
    x = 1,294,394,410,399.74/983,607.80
  6. Step 6: Final answer
    x = 1,315,965.99

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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.