Home / 1,457,435.61-2,011,264.74-812,897.55

Finding the Fourth Proportional to 1,457,435.61, 2,011,264.74 and 812,897.55

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Solution

The fourth proportional to 1,457,435.61, 2,011,264.74 and 812,897.55 is: 1,121,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,435.61 : 2,011,264.74 = 812,897.55 : x
  2. Step 2: Convert to fraction form
    1,457,435.61/2,011,264.74 = 812,897.55/x
  3. Step 3: Cross multiply
    1,457,435.61x = 2,011,264.74 × 812,897.55
  4. Step 4: Simplify right side
    1,457,435.61x = 1,634,952,179,547.39
  5. Step 5: Solve for x
    x = 1,634,952,179,547.39/1,457,435.61
  6. Step 6: Final answer
    x = 1,121,800.63

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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.