Home / 1,247,527.08-1,870,486.06-489,445.16

Finding the Fourth Proportional to 1,247,527.08, 1,870,486.06 and 489,445.16

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Solution

The fourth proportional to 1,247,527.08, 1,870,486.06 and 489,445.16 is: 733,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,527.08 : 1,870,486.06 = 489,445.16 : x
  2. Step 2: Convert to fraction form
    1,247,527.08/1,870,486.06 = 489,445.16/x
  3. Step 3: Cross multiply
    1,247,527.08x = 1,870,486.06 × 489,445.16
  4. Step 4: Simplify right side
    1,247,527.08x = 915,500,348,914.47
  5. Step 5: Solve for x
    x = 915,500,348,914.47/1,247,527.08
  6. Step 6: Final answer
    x = 733,852.09

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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.