Home / 1,018,980.07-1,528,885.26-513,686.68

Finding the Fourth Proportional to 1,018,980.07, 1,528,885.26 and 513,686.68

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Solution

The fourth proportional to 1,018,980.07, 1,528,885.26 and 513,686.68 is: 770,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,980.07 : 1,528,885.26 = 513,686.68 : x
  2. Step 2: Convert to fraction form
    1,018,980.07/1,528,885.26 = 513,686.68/x
  3. Step 3: Cross multiply
    1,018,980.07x = 1,528,885.26 × 513,686.68
  4. Step 4: Simplify right side
    1,018,980.07x = 785,367,989,488.12
  5. Step 5: Solve for x
    x = 785,367,989,488.12/1,018,980.07
  6. Step 6: Final answer
    x = 770,739.31

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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.