Home / 1,018,808.40-1,528,212.60-487,367.40

Finding the Fourth Proportional to 1,018,808.40, 1,528,212.60 and 487,367.40

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Solution

The fourth proportional to 1,018,808.40, 1,528,212.60 and 487,367.40 is: 731,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,808.40 : 1,528,212.60 = 487,367.40 : x
  2. Step 2: Convert to fraction form
    1,018,808.40/1,528,212.60 = 487,367.40/x
  3. Step 3: Cross multiply
    1,018,808.40x = 1,528,212.60 × 487,367.40
  4. Step 4: Simplify right side
    1,018,808.40x = 744,801,001,509.24
  5. Step 5: Solve for x
    x = 744,801,001,509.24/1,018,808.40
  6. Step 6: Final answer
    x = 731,051.10

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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.