Home / 918,117.64-1,266,901.74-530,874.46

Finding the Fourth Proportional to 918,117.64, 1,266,901.74 and 530,874.46

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Solution

The fourth proportional to 918,117.64, 1,266,901.74 and 530,874.46 is: 732,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,117.64 : 1,266,901.74 = 530,874.46 : x
  2. Step 2: Convert to fraction form
    918,117.64/1,266,901.74 = 530,874.46/x
  3. Step 3: Cross multiply
    918,117.64x = 1,266,901.74 × 530,874.46
  4. Step 4: Simplify right side
    918,117.64x = 672,565,771,273.93
  5. Step 5: Solve for x
    x = 672,565,771,273.93/918,117.64
  6. Step 6: Final answer
    x = 732,548.58

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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.