Home / 1,457,602.89-2,011,495.05-813,006.51

Finding the Fourth Proportional to 1,457,602.89, 2,011,495.05 and 813,006.51

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Solution

The fourth proportional to 1,457,602.89, 2,011,495.05 and 813,006.51 is: 1,121,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,602.89 : 2,011,495.05 = 813,006.51 : x
  2. Step 2: Convert to fraction form
    1,457,602.89/2,011,495.05 = 813,006.51/x
  3. Step 3: Cross multiply
    1,457,602.89x = 2,011,495.05 × 813,006.51
  4. Step 4: Simplify right side
    1,457,602.89x = 1,635,358,570,482.78
  5. Step 5: Solve for x
    x = 1,635,358,570,482.78/1,457,602.89
  6. Step 6: Final answer
    x = 1,121,950.69

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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.