Home / 1,053,790.35-1,454,265.93-645,813.38

Finding the Fourth Proportional to 1,053,790.35, 1,454,265.93 and 645,813.38

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Solution

The fourth proportional to 1,053,790.35, 1,454,265.93 and 645,813.38 is: 891,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,790.35 : 1,454,265.93 = 645,813.38 : x
  2. Step 2: Convert to fraction form
    1,053,790.35/1,454,265.93 = 645,813.38/x
  3. Step 3: Cross multiply
    1,053,790.35x = 1,454,265.93 × 645,813.38
  4. Step 4: Simplify right side
    1,053,790.35x = 939,184,388,400.81
  5. Step 5: Solve for x
    x = 939,184,388,400.81/1,053,790.35
  6. Step 6: Final answer
    x = 891,244.06

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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.