Home / 1,220,384.94-1,684,317.63-779,050.17

Finding the Fourth Proportional to 1,220,384.94, 1,684,317.63 and 779,050.17

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Solution

The fourth proportional to 1,220,384.94, 1,684,317.63 and 779,050.17 is: 1,075,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,384.94 : 1,684,317.63 = 779,050.17 : x
  2. Step 2: Convert to fraction form
    1,220,384.94/1,684,317.63 = 779,050.17/x
  3. Step 3: Cross multiply
    1,220,384.94x = 1,684,317.63 × 779,050.17
  4. Step 4: Simplify right side
    1,220,384.94x = 1,312,167,935,985.50
  5. Step 5: Solve for x
    x = 1,312,167,935,985.50/1,220,384.94
  6. Step 6: Final answer
    x = 1,075,208.23

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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.