Home / 1,397,492.57-1,929,495.80-1,070,228.14

Finding the Fourth Proportional to 1,397,492.57, 1,929,495.80 and 1,070,228.14

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Solution

The fourth proportional to 1,397,492.57, 1,929,495.80 and 1,070,228.14 is: 1,477,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,492.57 : 1,929,495.80 = 1,070,228.14 : x
  2. Step 2: Convert to fraction form
    1,397,492.57/1,929,495.80 = 1,070,228.14/x
  3. Step 3: Cross multiply
    1,397,492.57x = 1,929,495.80 × 1,070,228.14
  4. Step 4: Simplify right side
    1,397,492.57x = 2,065,000,701,171.81
  5. Step 5: Solve for x
    x = 2,065,000,701,171.81/1,397,492.57
  6. Step 6: Final answer
    x = 1,477,647.00

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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.