Home / 1,487,230.92-2,052,409.05-808,211.16

Finding the Fourth Proportional to 1,487,230.92, 2,052,409.05 and 808,211.16

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Solution

The fourth proportional to 1,487,230.92, 2,052,409.05 and 808,211.16 is: 1,115,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,230.92 : 2,052,409.05 = 808,211.16 : x
  2. Step 2: Convert to fraction form
    1,487,230.92/2,052,409.05 = 808,211.16/x
  3. Step 3: Cross multiply
    1,487,230.92x = 2,052,409.05 × 808,211.16
  4. Step 4: Simplify right side
    1,487,230.92x = 1,658,779,899,095.00
  5. Step 5: Solve for x
    x = 1,658,779,899,095.00/1,487,230.92
  6. Step 6: Final answer
    x = 1,115,347.91

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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.