Home / 1,355,875.66-1,871,103.27-744,038.74

Finding the Fourth Proportional to 1,355,875.66, 1,871,103.27 and 744,038.74

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Solution

The fourth proportional to 1,355,875.66, 1,871,103.27 and 744,038.74 is: 1,026,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,875.66 : 1,871,103.27 = 744,038.74 : x
  2. Step 2: Convert to fraction form
    1,355,875.66/1,871,103.27 = 744,038.74/x
  3. Step 3: Cross multiply
    1,355,875.66x = 1,871,103.27 × 744,038.74
  4. Step 4: Simplify right side
    1,355,875.66x = 1,392,173,319,420.68
  5. Step 5: Solve for x
    x = 1,392,173,319,420.68/1,355,875.66
  6. Step 6: Final answer
    x = 1,026,770.64

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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.