Home / 1,260,688.68-1,881,200.39-1,124,818.78

Finding the Fourth Proportional to 1,260,688.68, 1,881,200.39 and 1,124,818.78

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Solution

The fourth proportional to 1,260,688.68, 1,881,200.39 and 1,124,818.78 is: 1,678,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,688.68 : 1,881,200.39 = 1,124,818.78 : x
  2. Step 2: Convert to fraction form
    1,260,688.68/1,881,200.39 = 1,124,818.78/x
  3. Step 3: Cross multiply
    1,260,688.68x = 1,881,200.39 × 1,124,818.78
  4. Step 4: Simplify right side
    1,260,688.68x = 2,116,009,527,615.32
  5. Step 5: Solve for x
    x = 2,116,009,527,615.32/1,260,688.68
  6. Step 6: Final answer
    x = 1,678,455.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.