Home / 1,630,879.28-2,445,349.76-620,075.20

Finding the Fourth Proportional to 1,630,879.28, 2,445,349.76 and 620,075.20

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Solution

The fourth proportional to 1,630,879.28, 2,445,349.76 and 620,075.20 is: 929,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,879.28 : 2,445,349.76 = 620,075.20 : x
  2. Step 2: Convert to fraction form
    1,630,879.28/2,445,349.76 = 620,075.20/x
  3. Step 3: Cross multiply
    1,630,879.28x = 2,445,349.76 × 620,075.20
  4. Step 4: Simplify right side
    1,630,879.28x = 1,516,300,741,501.95
  5. Step 5: Solve for x
    x = 1,516,300,741,501.95/1,630,879.28
  6. Step 6: Final answer
    x = 929,744.32

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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.