Home / 1,386,045.02-2,074,009.40-817,698.39

Finding the Fourth Proportional to 1,386,045.02, 2,074,009.40 and 817,698.39

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Solution

The fourth proportional to 1,386,045.02, 2,074,009.40 and 817,698.39 is: 1,223,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,045.02 : 2,074,009.40 = 817,698.39 : x
  2. Step 2: Convert to fraction form
    1,386,045.02/2,074,009.40 = 817,698.39/x
  3. Step 3: Cross multiply
    1,386,045.02x = 2,074,009.40 × 817,698.39
  4. Step 4: Simplify right side
    1,386,045.02x = 1,695,914,154,691.06
  5. Step 5: Solve for x
    x = 1,695,914,154,691.06/1,386,045.02
  6. Step 6: Final answer
    x = 1,223,563.55

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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.