Home / 1,314,002.70-1,971,004.05-316,730.70

Finding the Fourth Proportional to 1,314,002.70, 1,971,004.05 and 316,730.70

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Solution

The fourth proportional to 1,314,002.70, 1,971,004.05 and 316,730.70 is: 475,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,002.70 : 1,971,004.05 = 316,730.70 : x
  2. Step 2: Convert to fraction form
    1,314,002.70/1,971,004.05 = 316,730.70/x
  3. Step 3: Cross multiply
    1,314,002.70x = 1,971,004.05 × 316,730.70
  4. Step 4: Simplify right side
    1,314,002.70x = 624,277,492,459.34
  5. Step 5: Solve for x
    x = 624,277,492,459.34/1,314,002.70
  6. Step 6: Final answer
    x = 475,096.05

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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.