Home / 1,339,123.51-1,848,555.64-904,130.16

Finding the Fourth Proportional to 1,339,123.51, 1,848,555.64 and 904,130.16

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Solution

The fourth proportional to 1,339,123.51, 1,848,555.64 and 904,130.16 is: 1,248,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,123.51 : 1,848,555.64 = 904,130.16 : x
  2. Step 2: Convert to fraction form
    1,339,123.51/1,848,555.64 = 904,130.16/x
  3. Step 3: Cross multiply
    1,339,123.51x = 1,848,555.64 × 904,130.16
  4. Step 4: Simplify right side
    1,339,123.51x = 1,671,334,906,562.10
  5. Step 5: Solve for x
    x = 1,671,334,906,562.10/1,339,123.51
  6. Step 6: Final answer
    x = 1,248,081.22

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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.