Home / 1,503,846.61-2,075,308.80-815,518.26

Finding the Fourth Proportional to 1,503,846.61, 2,075,308.80 and 815,518.26

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Solution

The fourth proportional to 1,503,846.61, 2,075,308.80 and 815,518.26 is: 1,125,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,846.61 : 2,075,308.80 = 815,518.26 : x
  2. Step 2: Convert to fraction form
    1,503,846.61/2,075,308.80 = 815,518.26/x
  3. Step 3: Cross multiply
    1,503,846.61x = 2,075,308.80 × 815,518.26
  4. Step 4: Simplify right side
    1,503,846.61x = 1,692,452,220,669.32
  5. Step 5: Solve for x
    x = 1,692,452,220,669.32/1,503,846.61
  6. Step 6: Final answer
    x = 1,125,415.46

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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.