Home / 1,501,106.30-2,071,511.16-812,766.32

Finding the Fourth Proportional to 1,501,106.30, 2,071,511.16 and 812,766.32

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Solution

The fourth proportional to 1,501,106.30, 2,071,511.16 and 812,766.32 is: 1,121,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,106.30 : 2,071,511.16 = 812,766.32 : x
  2. Step 2: Convert to fraction form
    1,501,106.30/2,071,511.16 = 812,766.32/x
  3. Step 3: Cross multiply
    1,501,106.30x = 2,071,511.16 × 812,766.32
  4. Step 4: Simplify right side
    1,501,106.30x = 1,683,654,502,352.13
  5. Step 5: Solve for x
    x = 1,683,654,502,352.13/1,501,106.30
  6. Step 6: Final answer
    x = 1,121,609.11

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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.