Home / 1,776,007.70-2,664,011.55-578,042.90

Finding the Fourth Proportional to 1,776,007.70, 2,664,011.55 and 578,042.90

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Solution

The fourth proportional to 1,776,007.70, 2,664,011.55 and 578,042.90 is: 867,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,007.70 : 2,664,011.55 = 578,042.90 : x
  2. Step 2: Convert to fraction form
    1,776,007.70/2,664,011.55 = 578,042.90/x
  3. Step 3: Cross multiply
    1,776,007.70x = 2,664,011.55 × 578,042.90
  4. Step 4: Simplify right side
    1,776,007.70x = 1,539,912,961,995.50
  5. Step 5: Solve for x
    x = 1,539,912,961,995.50/1,776,007.70
  6. Step 6: Final answer
    x = 867,064.35

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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.