Home / 1,058,271.30-1,587,582.03-490,220.10

Finding the Fourth Proportional to 1,058,271.30, 1,587,582.03 and 490,220.10

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Solution

The fourth proportional to 1,058,271.30, 1,587,582.03 and 490,220.10 is: 735,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,271.30 : 1,587,582.03 = 490,220.10 : x
  2. Step 2: Convert to fraction form
    1,058,271.30/1,587,582.03 = 490,220.10/x
  3. Step 3: Cross multiply
    1,058,271.30x = 1,587,582.03 × 490,220.10
  4. Step 4: Simplify right side
    1,058,271.30x = 778,264,621,504.80
  5. Step 5: Solve for x
    x = 778,264,621,504.80/1,058,271.30
  6. Step 6: Final answer
    x = 735,411.25

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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.