Home / 1,296,001.47-1,788,483.15-723,041.76

Finding the Fourth Proportional to 1,296,001.47, 1,788,483.15 and 723,041.76

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Solution

The fourth proportional to 1,296,001.47, 1,788,483.15 and 723,041.76 is: 997,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,001.47 : 1,788,483.15 = 723,041.76 : x
  2. Step 2: Convert to fraction form
    1,296,001.47/1,788,483.15 = 723,041.76/x
  3. Step 3: Cross multiply
    1,296,001.47x = 1,788,483.15 × 723,041.76
  4. Step 4: Simplify right side
    1,296,001.47x = 1,293,148,004,506.34
  5. Step 5: Solve for x
    x = 1,293,148,004,506.34/1,296,001.47
  6. Step 6: Final answer
    x = 997,798.25

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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.