Home / 1,237,079.16-1,852,468.65-815,075.64

Finding the Fourth Proportional to 1,237,079.16, 1,852,468.65 and 815,075.64

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Solution

The fourth proportional to 1,237,079.16, 1,852,468.65 and 815,075.64 is: 1,220,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,079.16 : 1,852,468.65 = 815,075.64 : x
  2. Step 2: Convert to fraction form
    1,237,079.16/1,852,468.65 = 815,075.64/x
  3. Step 3: Cross multiply
    1,237,079.16x = 1,852,468.65 × 815,075.64
  4. Step 4: Simplify right side
    1,237,079.16x = 1,509,902,070,478.69
  5. Step 5: Solve for x
    x = 1,509,902,070,478.69/1,237,079.16
  6. Step 6: Final answer
    x = 1,220,537.96

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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.