Home / 1,429,312.80-2,142,000.90-948,172.80

Finding the Fourth Proportional to 1,429,312.80, 2,142,000.90 and 948,172.80

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Solution

The fourth proportional to 1,429,312.80, 2,142,000.90 and 948,172.80 is: 1,420,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,312.80 : 2,142,000.90 = 948,172.80 : x
  2. Step 2: Convert to fraction form
    1,429,312.80/2,142,000.90 = 948,172.80/x
  3. Step 3: Cross multiply
    1,429,312.80x = 2,142,000.90 × 948,172.80
  4. Step 4: Simplify right side
    1,429,312.80x = 2,030,986,990,955.52
  5. Step 5: Solve for x
    x = 2,030,986,990,955.52/1,429,312.80
  6. Step 6: Final answer
    x = 1,420,953.48

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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.