Home / 1,125,995.53-1,689,686.53-442,762.15

Finding the Fourth Proportional to 1,125,995.53, 1,689,686.53 and 442,762.15

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Solution

The fourth proportional to 1,125,995.53, 1,689,686.53 and 442,762.15 is: 664,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,995.53 : 1,689,686.53 = 442,762.15 : x
  2. Step 2: Convert to fraction form
    1,125,995.53/1,689,686.53 = 442,762.15/x
  3. Step 3: Cross multiply
    1,125,995.53x = 1,689,686.53 × 442,762.15
  4. Step 4: Simplify right side
    1,125,995.53x = 748,129,240,848.84
  5. Step 5: Solve for x
    x = 748,129,240,848.84/1,125,995.53
  6. Step 6: Final answer
    x = 664,415.82

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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.