Home / 1,570,467.40-2,167,255.40-891,415.24

Finding the Fourth Proportional to 1,570,467.40, 2,167,255.40 and 891,415.24

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Solution

The fourth proportional to 1,570,467.40, 2,167,255.40 and 891,415.24 is: 1,230,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,467.40 : 2,167,255.40 = 891,415.24 : x
  2. Step 2: Convert to fraction form
    1,570,467.40/2,167,255.40 = 891,415.24/x
  3. Step 3: Cross multiply
    1,570,467.40x = 2,167,255.40 × 891,415.24
  4. Step 4: Simplify right side
    1,570,467.40x = 1,931,924,492,532.30
  5. Step 5: Solve for x
    x = 1,931,924,492,532.30/1,570,467.40
  6. Step 6: Final answer
    x = 1,230,158.93

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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.