Home / 971,300.40-1,458,700.20-939,807.60

Finding the Fourth Proportional to 971,300.40, 1,458,700.20 and 939,807.60

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Solution

The fourth proportional to 971,300.40, 1,458,700.20 and 939,807.60 is: 1,411,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,300.40 : 1,458,700.20 = 939,807.60 : x
  2. Step 2: Convert to fraction form
    971,300.40/1,458,700.20 = 939,807.60/x
  3. Step 3: Cross multiply
    971,300.40x = 1,458,700.20 × 939,807.60
  4. Step 4: Simplify right side
    971,300.40x = 1,370,897,534,081.52
  5. Step 5: Solve for x
    x = 1,370,897,534,081.52/971,300.40
  6. Step 6: Final answer
    x = 1,411,404.27

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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.