Home / 1,500,948.63-2,071,309.55-812,620.35

Finding the Fourth Proportional to 1,500,948.63, 2,071,309.55 and 812,620.35

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Solution

The fourth proportional to 1,500,948.63, 2,071,309.55 and 812,620.35 is: 1,121,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,948.63 : 2,071,309.55 = 812,620.35 : x
  2. Step 2: Convert to fraction form
    1,500,948.63/2,071,309.55 = 812,620.35/x
  3. Step 3: Cross multiply
    1,500,948.63x = 2,071,309.55 × 812,620.35
  4. Step 4: Simplify right side
    1,500,948.63x = 1,683,188,287,416.24
  5. Step 5: Solve for x
    x = 1,683,188,287,416.24/1,500,948.63
  6. Step 6: Final answer
    x = 1,121,416.32

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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.