Home / 1,230,566.48-1,698,070.94-771,534.32

Finding the Fourth Proportional to 1,230,566.48, 1,698,070.94 and 771,534.32

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Solution

The fourth proportional to 1,230,566.48, 1,698,070.94 and 771,534.32 is: 1,064,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,566.48 : 1,698,070.94 = 771,534.32 : x
  2. Step 2: Convert to fraction form
    1,230,566.48/1,698,070.94 = 771,534.32/x
  3. Step 3: Cross multiply
    1,230,566.48x = 1,698,070.94 × 771,534.32
  4. Step 4: Simplify right side
    1,230,566.48x = 1,310,119,998,549.89
  5. Step 5: Solve for x
    x = 1,310,119,998,549.89/1,230,566.48
  6. Step 6: Final answer
    x = 1,064,647.88

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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.