Home / 1,316,343.20-1,974,514.80-517,359.20

Finding the Fourth Proportional to 1,316,343.20, 1,974,514.80 and 517,359.20

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Solution

The fourth proportional to 1,316,343.20, 1,974,514.80 and 517,359.20 is: 776,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,343.20 : 1,974,514.80 = 517,359.20 : x
  2. Step 2: Convert to fraction form
    1,316,343.20/1,974,514.80 = 517,359.20/x
  3. Step 3: Cross multiply
    1,316,343.20x = 1,974,514.80 × 517,359.20
  4. Step 4: Simplify right side
    1,316,343.20x = 1,021,533,397,316.16
  5. Step 5: Solve for x
    x = 1,021,533,397,316.16/1,316,343.20
  6. Step 6: Final answer
    x = 776,038.80

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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.