Home / 1,721,988.76-2,376,284.84-947,547.20

Finding the Fourth Proportional to 1,721,988.76, 2,376,284.84 and 947,547.20

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Solution

The fourth proportional to 1,721,988.76, 2,376,284.84 and 947,547.20 is: 1,307,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,988.76 : 2,376,284.84 = 947,547.20 : x
  2. Step 2: Convert to fraction form
    1,721,988.76/2,376,284.84 = 947,547.20/x
  3. Step 3: Cross multiply
    1,721,988.76x = 2,376,284.84 × 947,547.20
  4. Step 4: Simplify right side
    1,721,988.76x = 2,251,642,046,544.45
  5. Step 5: Solve for x
    x = 2,251,642,046,544.45/1,721,988.76
  6. Step 6: Final answer
    x = 1,307,582.31

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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.