Home / 1,051,575.64-1,577,117.70-341,421.40

Finding the Fourth Proportional to 1,051,575.64, 1,577,117.70 and 341,421.40

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Solution

The fourth proportional to 1,051,575.64, 1,577,117.70 and 341,421.40 is: 512,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,575.64 : 1,577,117.70 = 341,421.40 : x
  2. Step 2: Convert to fraction form
    1,051,575.64/1,577,117.70 = 341,421.40/x
  3. Step 3: Cross multiply
    1,051,575.64x = 1,577,117.70 × 341,421.40
  4. Step 4: Simplify right side
    1,051,575.64x = 538,461,733,098.78
  5. Step 5: Solve for x
    x = 538,461,733,098.78/1,051,575.64
  6. Step 6: Final answer
    x = 512,052.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.