Home / 1,503,967.23-2,075,460.63-815,654.28

Finding the Fourth Proportional to 1,503,967.23, 2,075,460.63 and 815,654.28

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Solution

The fourth proportional to 1,503,967.23, 2,075,460.63 and 815,654.28 is: 1,125,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,967.23 : 2,075,460.63 = 815,654.28 : x
  2. Step 2: Convert to fraction form
    1,503,967.23/2,075,460.63 = 815,654.28/x
  3. Step 3: Cross multiply
    1,503,967.23x = 2,075,460.63 × 815,654.28
  4. Step 4: Simplify right side
    1,503,967.23x = 1,692,858,345,831.00
  5. Step 5: Solve for x
    x = 1,692,858,345,831.00/1,503,967.23
  6. Step 6: Final answer
    x = 1,125,595.23

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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.