Home / 1,083,729.51-1,626,128.41-507,391.76

Finding the Fourth Proportional to 1,083,729.51, 1,626,128.41 and 507,391.76

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Solution

The fourth proportional to 1,083,729.51, 1,626,128.41 and 507,391.76 is: 761,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,729.51 : 1,626,128.41 = 507,391.76 : x
  2. Step 2: Convert to fraction form
    1,083,729.51/1,626,128.41 = 507,391.76/x
  3. Step 3: Cross multiply
    1,083,729.51x = 1,626,128.41 × 507,391.76
  4. Step 4: Simplify right side
    1,083,729.51x = 825,084,152,823.87
  5. Step 5: Solve for x
    x = 825,084,152,823.87/1,083,729.51
  6. Step 6: Final answer
    x = 761,337.72

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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.