Home / 1,313,741.63-1,812,962.65-710,129.63

Finding the Fourth Proportional to 1,313,741.63, 1,812,962.65 and 710,129.63

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Solution

The fourth proportional to 1,313,741.63, 1,812,962.65 and 710,129.63 is: 979,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,741.63 : 1,812,962.65 = 710,129.63 : x
  2. Step 2: Convert to fraction form
    1,313,741.63/1,812,962.65 = 710,129.63/x
  3. Step 3: Cross multiply
    1,313,741.63x = 1,812,962.65 × 710,129.63
  4. Step 4: Simplify right side
    1,313,741.63x = 1,287,438,495,848.32
  5. Step 5: Solve for x
    x = 1,287,438,495,848.32/1,313,741.63
  6. Step 6: Final answer
    x = 979,978.46

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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.