Home / 1,018,000.40-1,527,000.60-971,344.40

Finding the Fourth Proportional to 1,018,000.40, 1,527,000.60 and 971,344.40

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Solution

The fourth proportional to 1,018,000.40, 1,527,000.60 and 971,344.40 is: 1,457,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,000.40 : 1,527,000.60 = 971,344.40 : x
  2. Step 2: Convert to fraction form
    1,018,000.40/1,527,000.60 = 971,344.40/x
  3. Step 3: Cross multiply
    1,018,000.40x = 1,527,000.60 × 971,344.40
  4. Step 4: Simplify right side
    1,018,000.40x = 1,483,243,481,606.64
  5. Step 5: Solve for x
    x = 1,483,243,481,606.64/1,018,000.40
  6. Step 6: Final answer
    x = 1,457,016.60

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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.