Home / 1,692,237.81-2,538,365.36-570,316.53

Finding the Fourth Proportional to 1,692,237.81, 2,538,365.36 and 570,316.53

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Solution

The fourth proportional to 1,692,237.81, 2,538,365.36 and 570,316.53 is: 855,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,237.81 : 2,538,365.36 = 570,316.53 : x
  2. Step 2: Convert to fraction form
    1,692,237.81/2,538,365.36 = 570,316.53/x
  3. Step 3: Cross multiply
    1,692,237.81x = 2,538,365.36 × 570,316.53
  4. Step 4: Simplify right side
    1,692,237.81x = 1,447,671,721,135.82
  5. Step 5: Solve for x
    x = 1,447,671,721,135.82/1,692,237.81
  6. Step 6: Final answer
    x = 855,477.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.