Home / 1,429,782.95-1,973,093.31-776,403.16

Finding the Fourth Proportional to 1,429,782.95, 1,973,093.31 and 776,403.16

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Solution

The fourth proportional to 1,429,782.95, 1,973,093.31 and 776,403.16 is: 1,071,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,782.95 : 1,973,093.31 = 776,403.16 : x
  2. Step 2: Convert to fraction form
    1,429,782.95/1,973,093.31 = 776,403.16/x
  3. Step 3: Cross multiply
    1,429,782.95x = 1,973,093.31 × 776,403.16
  4. Step 4: Simplify right side
    1,429,782.95x = 1,531,915,875,926.13
  5. Step 5: Solve for x
    x = 1,531,915,875,926.13/1,429,782.95
  6. Step 6: Final answer
    x = 1,071,432.47

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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.