Home / 1,356,952.81-1,872,509.72-745,101.29

Finding the Fourth Proportional to 1,356,952.81, 1,872,509.72 and 745,101.29

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Solution

The fourth proportional to 1,356,952.81, 1,872,509.72 and 745,101.29 is: 1,028,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,952.81 : 1,872,509.72 = 745,101.29 : x
  2. Step 2: Convert to fraction form
    1,356,952.81/1,872,509.72 = 745,101.29/x
  3. Step 3: Cross multiply
    1,356,952.81x = 1,872,509.72 × 745,101.29
  4. Step 4: Simplify right side
    1,356,952.81x = 1,395,209,402,523.63
  5. Step 5: Solve for x
    x = 1,395,209,402,523.63/1,356,952.81
  6. Step 6: Final answer
    x = 1,028,193.02

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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.