Home / 1,429,570.02-1,972,841.09-776,223.82

Finding the Fourth Proportional to 1,429,570.02, 1,972,841.09 and 776,223.82

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Solution

The fourth proportional to 1,429,570.02, 1,972,841.09 and 776,223.82 is: 1,071,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,570.02 : 1,972,841.09 = 776,223.82 : x
  2. Step 2: Convert to fraction form
    1,429,570.02/1,972,841.09 = 776,223.82/x
  3. Step 3: Cross multiply
    1,429,570.02x = 1,972,841.09 × 776,223.82
  4. Step 4: Simplify right side
    1,429,570.02x = 1,531,366,238,319.54
  5. Step 5: Solve for x
    x = 1,531,366,238,319.54/1,429,570.02
  6. Step 6: Final answer
    x = 1,071,207.58

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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.