Home / 1,140,628.23-1,574,417.39-657,516.33

Finding the Fourth Proportional to 1,140,628.23, 1,574,417.39 and 657,516.33

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Solution

The fourth proportional to 1,140,628.23, 1,574,417.39 and 657,516.33 is: 907,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,628.23 : 1,574,417.39 = 657,516.33 : x
  2. Step 2: Convert to fraction form
    1,140,628.23/1,574,417.39 = 657,516.33/x
  3. Step 3: Cross multiply
    1,140,628.23x = 1,574,417.39 × 657,516.33
  4. Step 4: Simplify right side
    1,140,628.23x = 1,035,205,140,873.40
  5. Step 5: Solve for x
    x = 1,035,205,140,873.40/1,140,628.23
  6. Step 6: Final answer
    x = 907,574.54

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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.