Home / 1,501,104.30-2,071,508.40-812,764.32

Finding the Fourth Proportional to 1,501,104.30, 2,071,508.40 and 812,764.32

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Solution

The fourth proportional to 1,501,104.30, 2,071,508.40 and 812,764.32 is: 1,121,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,104.30 : 2,071,508.40 = 812,764.32 : x
  2. Step 2: Convert to fraction form
    1,501,104.30/2,071,508.40 = 812,764.32/x
  3. Step 3: Cross multiply
    1,501,104.30x = 2,071,508.40 × 812,764.32
  4. Step 4: Simplify right side
    1,501,104.30x = 1,683,648,116,100.29
  5. Step 5: Solve for x
    x = 1,683,648,116,100.29/1,501,104.30
  6. Step 6: Final answer
    x = 1,121,606.35

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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.