Home / 1,434,975.36-1,980,355.92-790,395.36

Finding the Fourth Proportional to 1,434,975.36, 1,980,355.92 and 790,395.36

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Solution

The fourth proportional to 1,434,975.36, 1,980,355.92 and 790,395.36 is: 1,090,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,975.36 : 1,980,355.92 = 790,395.36 : x
  2. Step 2: Convert to fraction form
    1,434,975.36/1,980,355.92 = 790,395.36/x
  3. Step 3: Cross multiply
    1,434,975.36x = 1,980,355.92 × 790,395.36
  4. Step 4: Simplify right side
    1,434,975.36x = 1,565,264,130,316.53
  5. Step 5: Solve for x
    x = 1,565,264,130,316.53/1,434,975.36
  6. Step 6: Final answer
    x = 1,090,795.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.