Home / 1,389,473.02-2,084,206.29-912,710.26

Finding the Fourth Proportional to 1,389,473.02, 2,084,206.29 and 912,710.26

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Solution

The fourth proportional to 1,389,473.02, 2,084,206.29 and 912,710.26 is: 1,369,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,473.02 : 2,084,206.29 = 912,710.26 : x
  2. Step 2: Convert to fraction form
    1,389,473.02/2,084,206.29 = 912,710.26/x
  3. Step 3: Cross multiply
    1,389,473.02x = 2,084,206.29 × 912,710.26
  4. Step 4: Simplify right side
    1,389,473.02x = 1,902,276,464,839.54
  5. Step 5: Solve for x
    x = 1,902,276,464,839.54/1,389,473.02
  6. Step 6: Final answer
    x = 1,369,063.26

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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.