Home / 1,087,081.92-1,500,311.40-657,365.16

Finding the Fourth Proportional to 1,087,081.92, 1,500,311.40 and 657,365.16

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Solution

The fourth proportional to 1,087,081.92, 1,500,311.40 and 657,365.16 is: 907,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,081.92 : 1,500,311.40 = 657,365.16 : x
  2. Step 2: Convert to fraction form
    1,087,081.92/1,500,311.40 = 657,365.16/x
  3. Step 3: Cross multiply
    1,087,081.92x = 1,500,311.40 × 657,365.16
  4. Step 4: Simplify right side
    1,087,081.92x = 986,252,443,510.82
  5. Step 5: Solve for x
    x = 986,252,443,510.82/1,087,081.92
  6. Step 6: Final answer
    x = 907,247.58

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Double scale
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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.