Home / 1,042,208.83-1,437,106.07-678,959.07

Finding the Fourth Proportional to 1,042,208.83, 1,437,106.07 and 678,959.07

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Solution

The fourth proportional to 1,042,208.83, 1,437,106.07 and 678,959.07 is: 936,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,208.83 : 1,437,106.07 = 678,959.07 : x
  2. Step 2: Convert to fraction form
    1,042,208.83/1,437,106.07 = 678,959.07/x
  3. Step 3: Cross multiply
    1,042,208.83x = 1,437,106.07 × 678,959.07
  4. Step 4: Simplify right side
    1,042,208.83x = 975,736,197,086.81
  5. Step 5: Solve for x
    x = 975,736,197,086.81/1,042,208.83
  6. Step 6: Final answer
    x = 936,219.47

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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.