Home / 1,124,539.80-1,551,845.01-688,889.40

Finding the Fourth Proportional to 1,124,539.80, 1,551,845.01 and 688,889.40

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Solution

The fourth proportional to 1,124,539.80, 1,551,845.01 and 688,889.40 is: 950,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,539.80 : 1,551,845.01 = 688,889.40 : x
  2. Step 2: Convert to fraction form
    1,124,539.80/1,551,845.01 = 688,889.40/x
  3. Step 3: Cross multiply
    1,124,539.80x = 1,551,845.01 × 688,889.40
  4. Step 4: Simplify right side
    1,124,539.80x = 1,069,049,577,831.89
  5. Step 5: Solve for x
    x = 1,069,049,577,831.89/1,124,539.80
  6. Step 6: Final answer
    x = 950,655.17

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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.