Home / 1,087,265.63-1,502,038.08-715,605.03

Finding the Fourth Proportional to 1,087,265.63, 1,502,038.08 and 715,605.03

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Solution

The fourth proportional to 1,087,265.63, 1,502,038.08 and 715,605.03 is: 988,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,265.63 : 1,502,038.08 = 715,605.03 : x
  2. Step 2: Convert to fraction form
    1,087,265.63/1,502,038.08 = 715,605.03/x
  3. Step 3: Cross multiply
    1,087,265.63x = 1,502,038.08 × 715,605.03
  4. Step 4: Simplify right side
    1,087,265.63x = 1,074,866,005,299.54
  5. Step 5: Solve for x
    x = 1,074,866,005,299.54/1,087,265.63
  6. Step 6: Final answer
    x = 988,595.59

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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.