Home / 1,386,907.80-2,079,209.70-588,802.20

Finding the Fourth Proportional to 1,386,907.80, 2,079,209.70 and 588,802.20

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Solution

The fourth proportional to 1,386,907.80, 2,079,209.70 and 588,802.20 is: 882,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,907.80 : 2,079,209.70 = 588,802.20 : x
  2. Step 2: Convert to fraction form
    1,386,907.80/2,079,209.70 = 588,802.20/x
  3. Step 3: Cross multiply
    1,386,907.80x = 2,079,209.70 × 588,802.20
  4. Step 4: Simplify right side
    1,386,907.80x = 1,224,243,245,621.34
  5. Step 5: Solve for x
    x = 1,224,243,245,621.34/1,386,907.80
  6. Step 6: Final answer
    x = 882,714.23

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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.