Home / 1,010,579.40-1,515,869.10-606,421.80

Finding the Fourth Proportional to 1,010,579.40, 1,515,869.10 and 606,421.80

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Solution

The fourth proportional to 1,010,579.40, 1,515,869.10 and 606,421.80 is: 909,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,579.40 : 1,515,869.10 = 606,421.80 : x
  2. Step 2: Convert to fraction form
    1,010,579.40/1,515,869.10 = 606,421.80/x
  3. Step 3: Cross multiply
    1,010,579.40x = 1,515,869.10 × 606,421.80
  4. Step 4: Simplify right side
    1,010,579.40x = 919,256,068,186.38
  5. Step 5: Solve for x
    x = 919,256,068,186.38/1,010,579.40
  6. Step 6: Final answer
    x = 909,632.70

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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.