Home / 1,087,184.32-1,500,072.24-657,455.36

Finding the Fourth Proportional to 1,087,184.32, 1,500,072.24 and 657,455.36

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Solution

The fourth proportional to 1,087,184.32, 1,500,072.24 and 657,455.36 is: 907,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,184.32 : 1,500,072.24 = 657,455.36 : x
  2. Step 2: Convert to fraction form
    1,087,184.32/1,500,072.24 = 657,455.36/x
  3. Step 3: Cross multiply
    1,087,184.32x = 1,500,072.24 × 657,455.36
  4. Step 4: Simplify right side
    1,087,184.32x = 986,230,534,575.21
  5. Step 5: Solve for x
    x = 986,230,534,575.21/1,087,184.32
  6. Step 6: Final answer
    x = 907,141.98

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1.5x scale

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.