Home / 1,785,830.67-2,678,738.72-648,590.67

Finding the Fourth Proportional to 1,785,830.67, 2,678,738.72 and 648,590.67

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Solution

The fourth proportional to 1,785,830.67, 2,678,738.72 and 648,590.67 is: 972,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,830.67 : 2,678,738.72 = 648,590.67 : x
  2. Step 2: Convert to fraction form
    1,785,830.67/2,678,738.72 = 648,590.67/x
  3. Step 3: Cross multiply
    1,785,830.67x = 2,678,738.72 × 648,590.67
  4. Step 4: Simplify right side
    1,785,830.67x = 1,737,404,937,916.79
  5. Step 5: Solve for x
    x = 1,737,404,937,916.79/1,785,830.67
  6. Step 6: Final answer
    x = 972,883.36

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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.