Home / 1,207,862.02-1,666,870.14-664,020.46

Finding the Fourth Proportional to 1,207,862.02, 1,666,870.14 and 664,020.46

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Solution

The fourth proportional to 1,207,862.02, 1,666,870.14 and 664,020.46 is: 916,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,862.02 : 1,666,870.14 = 664,020.46 : x
  2. Step 2: Convert to fraction form
    1,207,862.02/1,666,870.14 = 664,020.46/x
  3. Step 3: Cross multiply
    1,207,862.02x = 1,666,870.14 × 664,020.46
  4. Step 4: Simplify right side
    1,207,862.02x = 1,106,835,877,123.06
  5. Step 5: Solve for x
    x = 1,106,835,877,123.06/1,207,862.02
  6. Step 6: Final answer
    x = 916,359.53

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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.