Home / 1,036,461.72-1,429,555.80-686,970.06

Finding the Fourth Proportional to 1,036,461.72, 1,429,555.80 and 686,970.06

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Solution

The fourth proportional to 1,036,461.72, 1,429,555.80 and 686,970.06 is: 947,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,461.72 : 1,429,555.80 = 686,970.06 : x
  2. Step 2: Convert to fraction form
    1,036,461.72/1,429,555.80 = 686,970.06/x
  3. Step 3: Cross multiply
    1,036,461.72x = 1,429,555.80 × 686,970.06
  4. Step 4: Simplify right side
    1,036,461.72x = 982,062,033,699.35
  5. Step 5: Solve for x
    x = 982,062,033,699.35/1,036,461.72
  6. Step 6: Final answer
    x = 947,514.04

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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.