Home / 1,087,688.56-1,501,148.61-657,971.77

Finding the Fourth Proportional to 1,087,688.56, 1,501,148.61 and 657,971.77

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Solution

The fourth proportional to 1,087,688.56, 1,501,148.61 and 657,971.77 is: 908,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,688.56 : 1,501,148.61 = 657,971.77 : x
  2. Step 2: Convert to fraction form
    1,087,688.56/1,501,148.61 = 657,971.77/x
  3. Step 3: Cross multiply
    1,087,688.56x = 1,501,148.61 × 657,971.77
  4. Step 4: Simplify right side
    1,087,688.56x = 987,713,407,954.74
  5. Step 5: Solve for x
    x = 987,713,407,954.74/1,087,688.56
  6. Step 6: Final answer
    x = 908,084.76

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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.