Home / 1,371,281.87-1,891,740.88-888,002.72

Finding the Fourth Proportional to 1,371,281.87, 1,891,740.88 and 888,002.72

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Solution

The fourth proportional to 1,371,281.87, 1,891,740.88 and 888,002.72 is: 1,225,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,281.87 : 1,891,740.88 = 888,002.72 : x
  2. Step 2: Convert to fraction form
    1,371,281.87/1,891,740.88 = 888,002.72/x
  3. Step 3: Cross multiply
    1,371,281.87x = 1,891,740.88 × 888,002.72
  4. Step 4: Simplify right side
    1,371,281.87x = 1,679,871,046,975.19
  5. Step 5: Solve for x
    x = 1,679,871,046,975.19/1,371,281.87
  6. Step 6: Final answer
    x = 1,225,037.01

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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.