Home / 1,185,390.37-1,776,289.47-784,595.28

Finding the Fourth Proportional to 1,185,390.37, 1,776,289.47 and 784,595.28

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Solution

The fourth proportional to 1,185,390.37, 1,776,289.47 and 784,595.28 is: 1,175,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,390.37 : 1,776,289.47 = 784,595.28 : x
  2. Step 2: Convert to fraction form
    1,185,390.37/1,776,289.47 = 784,595.28/x
  3. Step 3: Cross multiply
    1,185,390.37x = 1,776,289.47 × 784,595.28
  4. Step 4: Simplify right side
    1,185,390.37x = 1,393,668,334,075.70
  5. Step 5: Solve for x
    x = 1,393,668,334,075.70/1,185,390.37
  6. Step 6: Final answer
    x = 1,175,704.11

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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.