Home / 1,312,304.22-1,810,979.81-708,692.22

Finding the Fourth Proportional to 1,312,304.22, 1,810,979.81 and 708,692.22

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Solution

The fourth proportional to 1,312,304.22, 1,810,979.81 and 708,692.22 is: 977,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,304.22 : 1,810,979.81 = 708,692.22 : x
  2. Step 2: Convert to fraction form
    1,312,304.22/1,810,979.81 = 708,692.22/x
  3. Step 3: Cross multiply
    1,312,304.22x = 1,810,979.81 × 708,692.22
  4. Step 4: Simplify right side
    1,312,304.22x = 1,283,427,301,038.21
  5. Step 5: Solve for x
    x = 1,283,427,301,038.21/1,312,304.22
  6. Step 6: Final answer
    x = 977,995.26

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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.