Home / 1,435,011.19-1,980,315.44-790,429.39

Finding the Fourth Proportional to 1,435,011.19, 1,980,315.44 and 790,429.39

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Solution

The fourth proportional to 1,435,011.19, 1,980,315.44 and 790,429.39 is: 1,090,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,011.19 : 1,980,315.44 = 790,429.39 : x
  2. Step 2: Convert to fraction form
    1,435,011.19/1,980,315.44 = 790,429.39/x
  3. Step 3: Cross multiply
    1,435,011.19x = 1,980,315.44 × 790,429.39
  4. Step 4: Simplify right side
    1,435,011.19x = 1,565,299,519,307.96
  5. Step 5: Solve for x
    x = 1,565,299,519,307.96/1,435,011.19
  6. Step 6: Final answer
    x = 1,090,792.55

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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.