Home / 1,408,007.40-2,111,492.70-697,799.40

Finding the Fourth Proportional to 1,408,007.40, 2,111,492.70 and 697,799.40

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Solution

The fourth proportional to 1,408,007.40, 2,111,492.70 and 697,799.40 is: 1,046,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,007.40 : 2,111,492.70 = 697,799.40 : x
  2. Step 2: Convert to fraction form
    1,408,007.40/2,111,492.70 = 697,799.40/x
  3. Step 3: Cross multiply
    1,408,007.40x = 2,111,492.70 × 697,799.40
  4. Step 4: Simplify right side
    1,408,007.40x = 1,473,398,339,164.38
  5. Step 5: Solve for x
    x = 1,473,398,339,164.38/1,408,007.40
  6. Step 6: Final answer
    x = 1,046,442.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.