Home / 1,209,948.96-1,669,740.84-666,095.52

Finding the Fourth Proportional to 1,209,948.96, 1,669,740.84 and 666,095.52

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Solution

The fourth proportional to 1,209,948.96, 1,669,740.84 and 666,095.52 is: 919,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,948.96 : 1,669,740.84 = 666,095.52 : x
  2. Step 2: Convert to fraction form
    1,209,948.96/1,669,740.84 = 666,095.52/x
  3. Step 3: Cross multiply
    1,209,948.96x = 1,669,740.84 × 666,095.52
  4. Step 4: Simplify right side
    1,209,948.96x = 1,112,206,893,085.04
  5. Step 5: Solve for x
    x = 1,112,206,893,085.04/1,209,948.96
  6. Step 6: Final answer
    x = 919,218.02

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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.