Home / 1,312,308.01-1,810,985.10-708,696.01

Finding the Fourth Proportional to 1,312,308.01, 1,810,985.10 and 708,696.01

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Solution

The fourth proportional to 1,312,308.01, 1,810,985.10 and 708,696.01 is: 978,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,308.01 : 1,810,985.10 = 708,696.01 : x
  2. Step 2: Convert to fraction form
    1,312,308.01/1,810,985.10 = 708,696.01/x
  3. Step 3: Cross multiply
    1,312,308.01x = 1,810,985.10 × 708,696.01
  4. Step 4: Simplify right side
    1,312,308.01x = 1,283,437,914,539.45
  5. Step 5: Solve for x
    x = 1,283,437,914,539.45/1,312,308.01
  6. Step 6: Final answer
    x = 978,000.52

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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.