Home / 1,038,247-1,431,482.70-866,412.52

Finding the Fourth Proportional to 1,038,247, 1,431,482.70 and 866,412.52

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Solution

The fourth proportional to 1,038,247, 1,431,482.70 and 866,412.52 is: 1,194,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,247 : 1,431,482.70 = 866,412.52 : x
  2. Step 2: Convert to fraction form
    1,038,247/1,431,482.70 = 866,412.52/x
  3. Step 3: Cross multiply
    1,038,247x = 1,431,482.70 × 866,412.52
  4. Step 4: Simplify right side
    1,038,247x = 1,240,254,533,443.40
  5. Step 5: Solve for x
    x = 1,240,254,533,443.40/1,038,247
  6. Step 6: Final answer
    x = 1,194,565.97

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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.