Home / 1,314,140.40-1,971,210.60-316,868.40

Finding the Fourth Proportional to 1,314,140.40, 1,971,210.60 and 316,868.40

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Solution

The fourth proportional to 1,314,140.40, 1,971,210.60 and 316,868.40 is: 475,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,140.40 : 1,971,210.60 = 316,868.40 : x
  2. Step 2: Convert to fraction form
    1,314,140.40/1,971,210.60 = 316,868.40/x
  3. Step 3: Cross multiply
    1,314,140.40x = 1,971,210.60 × 316,868.40
  4. Step 4: Simplify right side
    1,314,140.40x = 624,614,348,885.04
  5. Step 5: Solve for x
    x = 624,614,348,885.04/1,314,140.40
  6. Step 6: Final answer
    x = 475,302.60

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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.