Home / 1,487,898.61-2,053,320.51-808,849.69

Finding the Fourth Proportional to 1,487,898.61, 2,053,320.51 and 808,849.69

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Solution

The fourth proportional to 1,487,898.61, 2,053,320.51 and 808,849.69 is: 1,116,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,898.61 : 2,053,320.51 = 808,849.69 : x
  2. Step 2: Convert to fraction form
    1,487,898.61/2,053,320.51 = 808,849.69/x
  3. Step 3: Cross multiply
    1,487,898.61x = 2,053,320.51 × 808,849.69
  4. Step 4: Simplify right side
    1,487,898.61x = 1,660,827,657,984.14
  5. Step 5: Solve for x
    x = 1,660,827,657,984.14/1,487,898.61
  6. Step 6: Final answer
    x = 1,116,223.68

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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.