Home / 1,009,093.40-1,392,543.25-556,384.40

Finding the Fourth Proportional to 1,009,093.40, 1,392,543.25 and 556,384.40

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Solution

The fourth proportional to 1,009,093.40, 1,392,543.25 and 556,384.40 is: 767,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,093.40 : 1,392,543.25 = 556,384.40 : x
  2. Step 2: Convert to fraction form
    1,009,093.40/1,392,543.25 = 556,384.40/x
  3. Step 3: Cross multiply
    1,009,093.40x = 1,392,543.25 × 556,384.40
  4. Step 4: Simplify right side
    1,009,093.40x = 774,789,330,880.66
  5. Step 5: Solve for x
    x = 774,789,330,880.66/1,009,093.40
  6. Step 6: Final answer
    x = 767,807.36

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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.