Home / 1,280,559.33-1,920,576.51-470,664.63

Finding the Fourth Proportional to 1,280,559.33, 1,920,576.51 and 470,664.63

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Solution

The fourth proportional to 1,280,559.33, 1,920,576.51 and 470,664.63 is: 705,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,559.33 : 1,920,576.51 = 470,664.63 : x
  2. Step 2: Convert to fraction form
    1,280,559.33/1,920,576.51 = 470,664.63/x
  3. Step 3: Cross multiply
    1,280,559.33x = 1,920,576.51 × 470,664.63
  4. Step 4: Simplify right side
    1,280,559.33x = 903,947,432,465.84
  5. Step 5: Solve for x
    x = 903,947,432,465.84/1,280,559.33
  6. Step 6: Final answer
    x = 705,900.47

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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.