Home / 1,220,602.59-1,684,428.57-676,724.40

Finding the Fourth Proportional to 1,220,602.59, 1,684,428.57 and 676,724.40

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Solution

The fourth proportional to 1,220,602.59, 1,684,428.57 and 676,724.40 is: 933,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,602.59 : 1,684,428.57 = 676,724.40 : x
  2. Step 2: Convert to fraction form
    1,220,602.59/1,684,428.57 = 676,724.40/x
  3. Step 3: Cross multiply
    1,220,602.59x = 1,684,428.57 × 676,724.40
  4. Step 4: Simplify right side
    1,220,602.59x = 1,139,893,913,376.11
  5. Step 5: Solve for x
    x = 1,139,893,913,376.11/1,220,602.59
  6. Step 6: Final answer
    x = 933,878.01

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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.