Home / 918,118.64-1,266,903.11-530,875.46

Finding the Fourth Proportional to 918,118.64, 1,266,903.11 and 530,875.46

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Solution

The fourth proportional to 918,118.64, 1,266,903.11 and 530,875.46 is: 732,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,118.64 : 1,266,903.11 = 530,875.46 : x
  2. Step 2: Convert to fraction form
    918,118.64/1,266,903.11 = 530,875.46/x
  3. Step 3: Cross multiply
    918,118.64x = 1,266,903.11 × 530,875.46
  4. Step 4: Simplify right side
    918,118.64x = 672,567,771,296.68
  5. Step 5: Solve for x
    x = 672,567,771,296.68/918,118.64
  6. Step 6: Final answer
    x = 732,549.96

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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.