Home / 1,018,267.86-1,405,210.58-559,412.16

Finding the Fourth Proportional to 1,018,267.86, 1,405,210.58 and 559,412.16

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Solution

The fourth proportional to 1,018,267.86, 1,405,210.58 and 559,412.16 is: 771,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,267.86 : 1,405,210.58 = 559,412.16 : x
  2. Step 2: Convert to fraction form
    1,018,267.86/1,405,210.58 = 559,412.16/x
  3. Step 3: Cross multiply
    1,018,267.86x = 1,405,210.58 × 559,412.16
  4. Step 4: Simplify right side
    1,018,267.86x = 786,091,885,113.39
  5. Step 5: Solve for x
    x = 786,091,885,113.39/1,018,267.86
  6. Step 6: Final answer
    x = 771,989.29

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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.