Home / 1,097,434.51-1,513,948.12-710,374.80

Finding the Fourth Proportional to 1,097,434.51, 1,513,948.12 and 710,374.80

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Solution

The fourth proportional to 1,097,434.51, 1,513,948.12 and 710,374.80 is: 979,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,434.51 : 1,513,948.12 = 710,374.80 : x
  2. Step 2: Convert to fraction form
    1,097,434.51/1,513,948.12 = 710,374.80/x
  3. Step 3: Cross multiply
    1,097,434.51x = 1,513,948.12 × 710,374.80
  4. Step 4: Simplify right side
    1,097,434.51x = 1,075,470,592,955.38
  5. Step 5: Solve for x
    x = 1,075,470,592,955.38/1,097,434.51
  6. Step 6: Final answer
    x = 979,986.13

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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.