Home / 1,156,377.80-1,736,271.85-645,042.03

Finding the Fourth Proportional to 1,156,377.80, 1,736,271.85 and 645,042.03

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Solution

The fourth proportional to 1,156,377.80, 1,736,271.85 and 645,042.03 is: 968,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,377.80 : 1,736,271.85 = 645,042.03 : x
  2. Step 2: Convert to fraction form
    1,156,377.80/1,736,271.85 = 645,042.03/x
  3. Step 3: Cross multiply
    1,156,377.80x = 1,736,271.85 × 645,042.03
  4. Step 4: Simplify right side
    1,156,377.80x = 1,119,968,317,143.25
  5. Step 5: Solve for x
    x = 1,119,968,317,143.25/1,156,377.80
  6. Step 6: Final answer
    x = 968,514.20

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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.