Home / 1,429,612.46-1,972,899.65-776,266.26

Finding the Fourth Proportional to 1,429,612.46, 1,972,899.65 and 776,266.26

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Solution

The fourth proportional to 1,429,612.46, 1,972,899.65 and 776,266.26 is: 1,071,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,612.46 : 1,972,899.65 = 776,266.26 : x
  2. Step 2: Convert to fraction form
    1,429,612.46/1,972,899.65 = 776,266.26/x
  3. Step 3: Cross multiply
    1,429,612.46x = 1,972,899.65 × 776,266.26
  4. Step 4: Simplify right side
    1,429,612.46x = 1,531,495,432,660.81
  5. Step 5: Solve for x
    x = 1,531,495,432,660.81/1,429,612.46
  6. Step 6: Final answer
    x = 1,071,266.15

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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.