Home / 1,430,444.37-1,974,004.95-785,850.69

Finding the Fourth Proportional to 1,430,444.37, 1,974,004.95 and 785,850.69

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Solution

The fourth proportional to 1,430,444.37, 1,974,004.95 and 785,850.69 is: 1,084,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,444.37 : 1,974,004.95 = 785,850.69 : x
  2. Step 2: Convert to fraction form
    1,430,444.37/1,974,004.95 = 785,850.69/x
  3. Step 3: Cross multiply
    1,430,444.37x = 1,974,004.95 × 785,850.69
  4. Step 4: Simplify right side
    1,430,444.37x = 1,551,273,152,020.92
  5. Step 5: Solve for x
    x = 1,551,273,152,020.92/1,430,444.37
  6. Step 6: Final answer
    x = 1,084,469.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.