Home / 1,058,269.80-1,587,579.78-490,218.60

Finding the Fourth Proportional to 1,058,269.80, 1,587,579.78 and 490,218.60

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Solution

The fourth proportional to 1,058,269.80, 1,587,579.78 and 490,218.60 is: 735,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,269.80 : 1,587,579.78 = 490,218.60 : x
  2. Step 2: Convert to fraction form
    1,058,269.80/1,587,579.78 = 490,218.60/x
  3. Step 3: Cross multiply
    1,058,269.80x = 1,587,579.78 × 490,218.60
  4. Step 4: Simplify right side
    1,058,269.80x = 778,261,137,139.91
  5. Step 5: Solve for x
    x = 778,261,137,139.91/1,058,269.80
  6. Step 6: Final answer
    x = 735,409.00

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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.