Home / 1,130,403.56-1,558,888.08-742,534.64

Finding the Fourth Proportional to 1,130,403.56, 1,558,888.08 and 742,534.64

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Solution

The fourth proportional to 1,130,403.56, 1,558,888.08 and 742,534.64 is: 1,023,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,403.56 : 1,558,888.08 = 742,534.64 : x
  2. Step 2: Convert to fraction form
    1,130,403.56/1,558,888.08 = 742,534.64/x
  3. Step 3: Cross multiply
    1,130,403.56x = 1,558,888.08 × 742,534.64
  4. Step 4: Simplify right side
    1,130,403.56x = 1,157,528,399,283.09
  5. Step 5: Solve for x
    x = 1,157,528,399,283.09/1,130,403.56
  6. Step 6: Final answer
    x = 1,023,995.71

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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.