Home / 1,290,647.63-1,781,024.47-746,792.30

Finding the Fourth Proportional to 1,290,647.63, 1,781,024.47 and 746,792.30

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Solution

The fourth proportional to 1,290,647.63, 1,781,024.47 and 746,792.30 is: 1,030,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,647.63 : 1,781,024.47 = 746,792.30 : x
  2. Step 2: Convert to fraction form
    1,290,647.63/1,781,024.47 = 746,792.30/x
  3. Step 3: Cross multiply
    1,290,647.63x = 1,781,024.47 × 746,792.30
  4. Step 4: Simplify right side
    1,290,647.63x = 1,330,055,349,535.48
  5. Step 5: Solve for x
    x = 1,330,055,349,535.48/1,290,647.63
  6. Step 6: Final answer
    x = 1,030,533.29

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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.