Home / 1,357,100.19-1,871,216.06-1,012,337.64

Finding the Fourth Proportional to 1,357,100.19, 1,871,216.06 and 1,012,337.64

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Solution

The fourth proportional to 1,357,100.19, 1,871,216.06 and 1,012,337.64 is: 1,395,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,100.19 : 1,871,216.06 = 1,012,337.64 : x
  2. Step 2: Convert to fraction form
    1,357,100.19/1,871,216.06 = 1,012,337.64/x
  3. Step 3: Cross multiply
    1,357,100.19x = 1,871,216.06 × 1,012,337.64
  4. Step 4: Simplify right side
    1,357,100.19x = 1,894,302,445,048.81
  5. Step 5: Solve for x
    x = 1,894,302,445,048.81/1,357,100.19
  6. Step 6: Final answer
    x = 1,395,845.69

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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.