Home / 1,087,062.36-1,500,284.28-657,345.48

Finding the Fourth Proportional to 1,087,062.36, 1,500,284.28 and 657,345.48

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Solution

The fourth proportional to 1,087,062.36, 1,500,284.28 and 657,345.48 is: 907,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,062.36 : 1,500,284.28 = 657,345.48 : x
  2. Step 2: Convert to fraction form
    1,087,062.36/1,500,284.28 = 657,345.48/x
  3. Step 3: Cross multiply
    1,087,062.36x = 1,500,284.28 × 657,345.48
  4. Step 4: Simplify right side
    1,087,062.36x = 986,205,090,173.06
  5. Step 5: Solve for x
    x = 986,205,090,173.06/1,087,062.36
  6. Step 6: Final answer
    x = 907,220.35

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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.